diff --git a/gameservice/Dockerfile b/gameservice/Dockerfile
index 12ee2849..fddddf76 100644
--- a/gameservice/Dockerfile
+++ b/gameservice/Dockerfile
@@ -17,4 +17,5 @@ COPY . .
 EXPOSE 8005
 
 # Define the command to run your app
-CMD ["node", "game-service.js"]
\ No newline at end of file
+CMD ["node", "game-service.js"]
+
diff --git a/gameservice/game-model.js b/gameservice/game-model.js
index 15b3a6ef..46dd781d 100644
--- a/gameservice/game-model.js
+++ b/gameservice/game-model.js
@@ -5,10 +5,11 @@ const mongoose = require('mongoose');
 const gameSchema = new mongoose.Schema({
   user: {
     type: mongoose.Schema.Types.ObjectId, 
+    ref: 'User',
     required: true,
   },
-  questions: {
-    type: mongoose.Schema.Types.ObjectId,
+  questions: { 
+    type: [mongoose.Schema.Types.ObjectId],
     ref: 'Question',
     required: true,
   },
@@ -16,7 +17,7 @@ const gameSchema = new mongoose.Schema({
     {
       response: {
         type: String,
-        required: true,
+        required:  true,
       },
       isCorrect: {
         type: Boolean,
diff --git a/gameservice/game-service.js b/gameservice/game-service.js
index 90f0f99b..6d06842b 100644
--- a/gameservice/game-service.js
+++ b/gameservice/game-service.js
@@ -7,6 +7,10 @@ const port = 8005; // Puerto para el servicio de juegos
 
 app.use(express.json());
 
+// Connect to MongoDB
+const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/gamesdb';
+mongoose.connect(mongoUri);
+
 // Función para validar campos requeridos
 const validateRequiredFields = (req, fields) => {
   for (const field of fields) {
@@ -34,20 +38,56 @@ app.post('/addgame', async (req, res) => {
     // Guarda el nuevo juego en la base de datos
     const savedGame = await newGame.save();
 
-    res.status(201).json(savedGame);
+    res.status(200).json(savedGame);
   } catch (error) {
-    res.status(500).json({ error: 'Internal Server Error' });
+    res.status(500).json({ error: error.message });
   }
 });
 
-// Lógica para juegos??
+// Ruta para obtener datos de participación del usuario
+app.get('/getParticipation/:userId', async (req, res) => {
+  try {
+    const userId = req.params.userId;
 
-// Conecta a la base de datos de juegos
-const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/gamesdb';
-mongoose.connect(mongoUri);
+    // Consulta para obtener los datos de participación del usuario
+    const participationData = await Game.aggregate([
+      { $match: { user: mongoose.Types.ObjectId(userId) } },
+      {
+        $group: {
+          _id: null,
+          totalGames: { $sum: 1 }, //$sum -> Returns a sum of numerical values
+          correctAnswers: { $sum: { $size: { 
+            $filter: {
+               input: "$answers", as: "answer", cond: "$$answer.isCorrect" } 
+          } } },
+          incorrectAnswers: { $sum: { $size: {
+            $filter: { input: "$answers", as: "answer", cond: { $eq: ["$$answer.isCorrect", false] } } 
+          } } },
+          totalTime: { $sum: "$totalTime" },
+        },
+      },
+    ]);
+
+    if (participationData.length === 0) {
+      // No se encontraron datos para el usuario
+      res.status(404).json({ error: 'No participation data found for the user.' });
+      return;
+    }
+
+    res.status(200).json(participationData[0]);
+  } catch (error) {
+    console.error('Error al obtener datos de participación:', error);
+    res.status(500).json({ error: 'Internal Server Error' });
+  }
+});
 
 const server = app.listen(port, () => {
   console.log(`Games Service listening at http://localhost:${port}`);
 });
 
+server.on('close', () => {
+  // Close the Mongoose connection
+  mongoose.connection.close();
+});
+
 module.exports = server;
\ No newline at end of file
diff --git a/gameservice/game-service.test.js b/gameservice/game-service.test.js
index a4953fca..7fbd61f1 100644
--- a/gameservice/game-service.test.js
+++ b/gameservice/game-service.test.js
@@ -1,6 +1,5 @@
 const request = require('supertest');
 const { MongoMemoryServer } = require('mongodb-memory-server');
-const mongoose = require('mongoose');
 
 let mongoServer;
 let app;
@@ -20,8 +19,10 @@ afterAll(async () => {
 describe('Game Service', () => {
   it('should add a new game on POST /addgame', async () => {
     const newGame = {
-      user: mongoose.Types.ObjectId(), // ID de usuario simulado
-      questions: mongoose.Types.ObjectId(), // ID de pregunta simulado
+      user: '609c6e365308ce1a1c2658d1', 
+      questions: [
+        "609c6e365308ce1a1c2658d2", "609c6e365308ce1a1c2658d3"
+      ], 
       answers: [
         {
           response: 'User response',
@@ -32,7 +33,7 @@ describe('Game Service', () => {
     };
 
     const response = await request(app).post('/addgame').send(newGame);
-    expect(response.status).toBe(201);
+    expect(response.status).toBe(200);
     expect(response.body).toHaveProperty('user', newGame.user.toString());
   });
 });
diff --git a/gameservice/package.json b/gameservice/package.json
index d4efa5ca..0c1697ab 100644
--- a/gameservice/package.json
+++ b/gameservice/package.json
@@ -27,4 +27,4 @@
     "mongodb-memory-server": "^9.1.6",
     "supertest": "^6.3.4"
   }
-}
+}
\ No newline at end of file
diff --git a/gatewayservice/gateway-service.test.js b/gatewayservice/gateway-service.test.js
index 73547264..8cf23deb 100644
--- a/gatewayservice/gateway-service.test.js
+++ b/gatewayservice/gateway-service.test.js
@@ -20,9 +20,9 @@ describe('Gateway Service', () => {
     }else if (url.endsWith('/addquestion')) {
       return Promise.resolve({
         data: {
-          question: 'What is the capital of France?',
-          options: ['Paris', 'Berlin', 'Madrid', 'Rome'],
-          correctOptionIndex: 0
+          question: 'Mocked Question',
+          correct: 'Mocked Correct Answer',
+          incorrects: ['Mocked Option 1', 'Mocked Option 2']
         }
       });
     }
@@ -100,12 +100,12 @@ describe('Gateway Service', () => {
     const response = await request(app)
       .post('/addquestion')
       .send({
-        question: 'What is the capital of France?',
-        options: ['Paris', 'Berlin', 'Madrid', 'Rome'],
-        correctOptionIndex: 0,
+        question: 'Mocked Question',
+        correct: 'Mocked Correct Answer',
+        incorrects: ['Mocked Option 1', 'Mocked Option 2']
       });
 
     expect(response.statusCode).toBe(200); 
-    expect(response.body).toHaveProperty('question', 'What is the capital of France?');
+    expect(response.body).toHaveProperty('question', 'Mocked Question');
   });
 });
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 2951e9ab..0c1932cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,21 +4,28 @@
   "requires": true,
   "packages": {
     "": {
+      "dependencies": {
+        "chart.js": "^4.4.1",
+        "react-chartjs-2": "^5.2.0"
+      },
       "devDependencies": {
         "serve": "^14.2.1"
       }
     },
+    "node_modules/@kurkle/color": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.2.tgz",
+      "integrity": "sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw=="
+    },
     "node_modules/@zeit/schemas": {
       "version": "2.29.0",
-      "resolved": "https://registry.npmjs.org/@zeit/schemas/-/schemas-2.29.0.tgz",
-      "integrity": "sha512-g5QiLIfbg3pLuYUJPlisNKY+epQJTcMDsOnVNkscrDP1oi7vmJnzOANYJI/1pZcVJ6umUkBv3aFtlg1UvUHGzA==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/accepts": {
       "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
-      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "mime-types": "~2.1.34",
         "negotiator": "0.6.3"
@@ -29,9 +36,8 @@
     },
     "node_modules/ajv": {
       "version": "8.11.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.11.0.tgz",
-      "integrity": "sha512-wGgprdCvMalC0BztXvitD2hC04YffAvtsUn93JbGXYLAtCUO4xd17mCCZQxUOItiBwZvJScWo8NIvQMQ71rdpg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "json-schema-traverse": "^1.0.0",
@@ -45,33 +51,29 @@
     },
     "node_modules/ansi-align": {
       "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.1.tgz",
-      "integrity": "sha512-IOfwwBF5iczOjp/WeY4YxyjqAFMQoZufdQWDd19SEExbVLNXqvpzSJ/M7Za4/sCPmQ0+GRquoA7bGcINcxew6w==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "string-width": "^4.1.0"
       }
     },
     "node_modules/ansi-align/node_modules/ansi-regex": {
       "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
-      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=8"
       }
     },
     "node_modules/ansi-align/node_modules/emoji-regex": {
       "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/ansi-align/node_modules/string-width": {
       "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
-      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "emoji-regex": "^8.0.0",
         "is-fullwidth-code-point": "^3.0.0",
@@ -83,9 +85,8 @@
     },
     "node_modules/ansi-align/node_modules/strip-ansi": {
       "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
-      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-regex": "^5.0.1"
       },
@@ -95,9 +96,8 @@
     },
     "node_modules/ansi-regex": {
       "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.0.1.tgz",
-      "integrity": "sha512-n5M855fKb2SsfMIiFFoVrABHJC8QtHwVx+mHWP3QcEqBHYienj5dHSgjbxtC0WEZXYt4wcD6zrQElDPhFuZgfA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=12"
       },
@@ -107,9 +107,8 @@
     },
     "node_modules/ansi-styles": {
       "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.1.tgz",
-      "integrity": "sha512-bN798gFfQX+viw3R7yrGWRqnrN2oRkEkUjjl4JNn4E8GxxbjtG3FbrEIIY3l8/hrwUwIeCZvi4QuOTP4MErVug==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=12"
       },
@@ -119,8 +118,6 @@
     },
     "node_modules/arch": {
       "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/arch/-/arch-2.2.0.tgz",
-      "integrity": "sha512-Of/R0wqp83cgHozfIYLbBMnej79U/SVGOOyuB3VVFv1NRM/PSFMK12x9KVtiYzJqmnU5WR2qp0Z5rHb7sWGnFQ==",
       "dev": true,
       "funding": [
         {
@@ -135,25 +132,23 @@
           "type": "consulting",
           "url": "https://feross.org/support"
         }
-      ]
+      ],
+      "license": "MIT"
     },
     "node_modules/arg": {
       "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-5.0.2.tgz",
-      "integrity": "sha512-PYjyFOLKQ9y57JvQ6QLo8dAgNqswh8M1RMJYdQduT6xbWSgK36P/Z/v+p888pM69jMMfS8Xd8F6I1kQ/I9HUGg==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/balanced-match": {
       "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/boxen": {
       "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/boxen/-/boxen-7.0.0.tgz",
-      "integrity": "sha512-j//dBVuyacJbvW+tvZ9HuH03fZ46QcaKvvhZickZqtB271DxJ7SNRSNxrV/dZX0085m7hISRZWbzWlJvx/rHSg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-align": "^3.0.1",
         "camelcase": "^7.0.0",
@@ -173,9 +168,8 @@
     },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -183,18 +177,16 @@
     },
     "node_modules/bytes": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
-      "integrity": "sha512-pMhOfFDPiv9t5jjIXkHosWmkSyQbvsgEVNkz0ERHbuLh2T/7j4Mqqpz523Fe8MVY89KC6Sh/QfS2sM+SjgFDcw==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">= 0.8"
       }
     },
     "node_modules/camelcase": {
       "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-7.0.1.tgz",
-      "integrity": "sha512-xlx1yCK2Oc1APsPXDL2LdlNP6+uu8OCDdhOBSVT279M/S+y75O30C2VuD8T2ogdePBBl7PfPF4504tnLgX3zfw==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=14.16"
       },
@@ -204,9 +196,8 @@
     },
     "node_modules/chalk": {
       "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.0.1.tgz",
-      "integrity": "sha512-Fo07WOYGqMfCWHOzSXOt2CxDbC6skS/jO9ynEcmpANMoPrD+W1r1K6Vx7iNm+AQmETU1Xr2t+n8nzkV9t6xh3w==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "^12.17.0 || ^14.13 || >=16.0.0"
       },
@@ -216,9 +207,8 @@
     },
     "node_modules/chalk-template": {
       "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/chalk-template/-/chalk-template-0.4.0.tgz",
-      "integrity": "sha512-/ghrgmhfY8RaSdeo43hNXxpoHAtxdbskUHjPpfqUWGttFgycUhYPGx3YZBCnUCvOa7Doivn1IZec3DEGFoMgLg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "chalk": "^4.1.2"
       },
@@ -231,9 +221,8 @@
     },
     "node_modules/chalk-template/node_modules/ansi-styles": {
       "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
-      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "color-convert": "^2.0.1"
       },
@@ -246,9 +235,8 @@
     },
     "node_modules/chalk-template/node_modules/chalk": {
       "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
-      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-styles": "^4.1.0",
         "supports-color": "^7.1.0"
@@ -260,11 +248,21 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/chart.js": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.2.tgz",
+      "integrity": "sha512-6GD7iKwFpP5kbSD4MeRRRlTnQvxfQREy36uEtm1hzHzcOqwWx0YEHuspuoNlslu+nciLIB7fjjsHkUv/FzFcOg==",
+      "dependencies": {
+        "@kurkle/color": "^0.3.0"
+      },
+      "engines": {
+        "pnpm": ">=8"
+      }
+    },
     "node_modules/cli-boxes": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-3.0.0.tgz",
-      "integrity": "sha512-/lzGpEWL/8PfI0BmBOPRwp0c/wFNX1RdUML3jK/RcSBA9T8mZDdQpqYBKtCFTOfQbwPqWEOpjqW+Fnayc0969g==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=10"
       },
@@ -274,9 +272,8 @@
     },
     "node_modules/clipboardy": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/clipboardy/-/clipboardy-3.0.0.tgz",
-      "integrity": "sha512-Su+uU5sr1jkUy1sGRpLKjKrvEOVXgSgiSInwa/qeID6aJ07yh+5NWc3h2QfjHjBnfX4LhtFcuAWKUsJ3r+fjbg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "arch": "^2.2.0",
         "execa": "^5.1.1",
@@ -291,9 +288,8 @@
     },
     "node_modules/color-convert": {
       "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
-      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "color-name": "~1.1.4"
       },
@@ -303,15 +299,13 @@
     },
     "node_modules/color-name": {
       "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
-      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/compressible": {
       "version": "2.0.18",
-      "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.18.tgz",
-      "integrity": "sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "mime-db": ">= 1.43.0 < 2"
       },
@@ -321,9 +315,8 @@
     },
     "node_modules/compression": {
       "version": "1.7.4",
-      "resolved": "https://registry.npmjs.org/compression/-/compression-1.7.4.tgz",
-      "integrity": "sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
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-      "resolved": "https://registry.npmjs.org/registry-url/-/registry-url-3.1.0.tgz",
-      "integrity": "sha512-ZbgR5aZEdf4UKZVBPYIgaglBmSF2Hi94s2PcIHhRGFjKYu+chjJdYfHn4rt3hB6eCKLJ8giVIIfgMa1ehDfZKA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "rc": "^1.0.1"
       },
@@ -725,24 +717,21 @@
     },
     "node_modules/require-from-string": {
       "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
-      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/safe-buffer": {
       "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/serve": {
       "version": "14.2.1",
-      "resolved": "https://registry.npmjs.org/serve/-/serve-14.2.1.tgz",
-      "integrity": "sha512-48er5fzHh7GCShLnNyPBRPEjs2I6QBozeGr02gaacROiyS/8ARADlj595j39iZXAqBbJHH/ivJJyPRWY9sQWZA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@zeit/schemas": "2.29.0",
         "ajv": "8.11.0",
@@ -765,9 +754,8 @@
     },
     "node_modules/serve-handler": {
       "version": "6.1.5",
-      "resolved": "https://registry.npmjs.org/serve-handler/-/serve-handler-6.1.5.tgz",
-      "integrity": "sha512-ijPFle6Hwe8zfmBxJdE+5fta53fdIY0lHISJvuikXB3VYFafRjMRpOffSPvCYsbKyBA7pvy9oYr/BT1O3EArlg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "bytes": "3.0.0",
         "content-disposition": "0.5.2",
@@ -781,18 +769,16 @@
     },
     "node_modules/serve-handler/node_modules/mime-db": {
       "version": "1.33.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
-      "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">= 0.6"
       }
     },
     "node_modules/serve-handler/node_modules/mime-types": {
       "version": "2.1.18",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
-      "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "mime-db": "~1.33.0"
       },
@@ -802,9 +788,8 @@
     },
     "node_modules/shebang-command": {
       "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
-      "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "shebang-regex": "^3.0.0"
       },
@@ -814,24 +799,21 @@
     },
     "node_modules/shebang-regex": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
-      "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=8"
       }
     },
     "node_modules/signal-exit": {
       "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
-      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
-      "dev": true
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/string-width": {
       "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
-      "integrity": "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "eastasianwidth": "^0.2.0",
         "emoji-regex": "^9.2.2",
@@ -846,9 +828,8 @@
     },
     "node_modules/strip-ansi": {
       "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.0.tgz",
-      "integrity": "sha512-iq6eVVI64nQQTRYq2KtEg2d2uU7LElhTJwsH4YzIHZshxlgZms/wIc4VoDQTlG/IvVIrBKG06CrZnp0qv7hkcQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-regex": "^6.0.1"
       },
@@ -861,27 +842,24 @@
     },
     "node_modules/strip-final-newline": {
       "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz",
-      "integrity": "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
     },
     "node_modules/strip-json-comments": {
       "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/supports-color": {
       "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
-      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "has-flag": "^4.0.0"
       },
@@ -891,9 +869,8 @@
     },
     "node_modules/type-fest": {
       "version": "2.19.0",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
-      "integrity": "sha512-RAH822pAdBgcNMAfWnCBU3CFZcfZ/i1eZjwFU/dsLKumyuuP3niueg2UAukXYF0E2AAoc82ZSSf9J0WQBinzHA==",
       "dev": true,
+      "license": "(MIT OR CC0-1.0)",
       "engines": {
         "node": ">=12.20"
       },
@@ -903,9 +880,8 @@
     },
     "node_modules/update-check": {
       "version": "1.5.4",
-      "resolved": "https://registry.npmjs.org/update-check/-/update-check-1.5.4.tgz",
-      "integrity": "sha512-5YHsflzHP4t1G+8WGPlvKbJEbAJGCgw+Em+dGR1KmBUbr1J36SJBqlHLjR7oob7sco5hWHGQVcr9B2poIVDDTQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "registry-auth-token": "3.3.2",
         "registry-url": "3.1.0"
@@ -913,36 +889,32 @@
     },
     "node_modules/uri-js": {
       "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
-      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
       "dev": true,
+      "license": "BSD-2-Clause",
       "dependencies": {
         "punycode": "^2.1.0"
       }
     },
     "node_modules/uri-js/node_modules/punycode": {
       "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
-      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
     },
     "node_modules/vary": {
       "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">= 0.8"
       }
     },
     "node_modules/which": {
       "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
-      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "isexe": "^2.0.0"
       },
@@ -955,9 +927,8 @@
     },
     "node_modules/widest-line": {
       "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-4.0.1.tgz",
-      "integrity": "sha512-o0cyEG0e8GPzT4iGHphIOh0cJOV8fivsXxddQasHPHfoZf1ZexrfeA21w2NaEN1RHE+fXlfISmOE8R9N3u3Qig==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "string-width": "^5.0.1"
       },
@@ -970,9 +941,8 @@
     },
     "node_modules/wrap-ansi": {
       "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
-      "integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-styles": "^6.1.0",
         "string-width": "^5.0.1",
diff --git a/package.json b/package.json
index 66d13a98..d9c269d8 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,10 @@
 {
+  "dependencies": {
+    "chart.js": "^4.4.1",
+    "react-chartjs-2": "^5.2.0"
+  },
   "devDependencies": {
     "serve": "^14.2.1"
   }
-}
\ No newline at end of file
+}
+
diff --git a/questionservice/question-model.js b/questionservice/question-model.js
index 89bf65ed..5e3e72aa 100644
--- a/questionservice/question-model.js
+++ b/questionservice/question-model.js
@@ -5,28 +5,22 @@ const questionSchema = new mongoose.Schema({
     type: String,
     required: true,
   },
-  options: {
+  correct: {
+    type: String,
+    required: true,
+  },
+  incorrects: {
     type: [String],
     required: true,
     validate: {
         validator: function (options) {
-            return options.length >= 2 && options.length <= 4;
+            return options.length >= 1 && options.length <= 3;
           },
-          message: 'Options must have between 2 and 4 elements.',
-    },
-  },
-  correctOptionIndex: {
-    type: Number,
-    required: true,
-    validate: {
-      validator: function (index) {
-        return index >= 0 && index < 4; // Max of 4 options
-      },
-      message: 'Correct option index must be between 0 and 3.',
+          message: 'Options must be between 2 and 4 elements.',
     },
   },
 });
 
 const Question = mongoose.model('Question', questionSchema);
 
-module.exports = Question;
+module.exports = Question;
\ No newline at end of file
diff --git a/questionservice/question-service.js b/questionservice/question-service.js
index 8748e0a3..afe67831 100644
--- a/questionservice/question-service.js
+++ b/questionservice/question-service.js
@@ -7,6 +7,10 @@ const port = 8004; // Puerto para el servicio de preguntas
 
 app.use(express.json());
 
+// Connect to MongoDB
+const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/questionsdb';
+mongoose.connect(mongoUri);
+
 // Función para validar campos requeridos
 const validateRequiredFields = (req, fields) => {
   for (const field of fields) {
@@ -19,34 +23,35 @@ const validateRequiredFields = (req, fields) => {
 // Ruta para agregar una nueva pregunta
 app.post('/addquestion', async (req, res) => {
   try {
-    validateRequiredFields(req, ['question', 'options', 'correctOptionIndex']);
+    validateRequiredFields(req, ['question', 'correct', 'incorrects']);
 
-    const { question, options, correctOptionIndex } = req.body;
+    const { question, correct, incorrects } = req.body;
 
     // Crea una nueva instancia del modelo de preguntas
     const newQuestion = new Question({
       question,
-      options,
-      correctOptionIndex,
+      correct,
+      incorrects,
     });
 
     // Guarda la nueva pregunta en la base de datos
     const savedQuestion = await newQuestion.save();
 
-    res.status(201).json(savedQuestion);
+    res.status(200).json(savedQuestion);
   } catch (error) {
-    res.status(500).json({ error: 'Internal Server Error' });
+    res.status(500).json({ error: error.message });
   }
 });
 
 // logica para preguntas??
 
-// Conecta a la base de datos de preguntas
-const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/questionsdb';
-mongoose.connect(mongoUri);
-
 const server = app.listen(port, () => {
   console.log(`Questions Service listening at http://localhost:${port}`);
 });
 
-module.exports = server;
\ No newline at end of file
+server.on('close', () => {
+  // Close the Mongoose connection
+  mongoose.connection.close();
+});
+
+module.exports = server;
diff --git a/questionservice/question-service.test.js b/questionservice/question-service.test.js
index 980b79f6..91d2c29e 100644
--- a/questionservice/question-service.test.js
+++ b/questionservice/question-service.test.js
@@ -19,14 +19,14 @@ afterAll(async () => {
 describe('Question Service', () => {
   it('should add a new question on POST /addquestion', async () => {
     const newQuestion = {
-      question: 'What is the capital of France?',
-      options: ['Paris', 'Berlin', 'Madrid', 'Rome'],
-      correctOptionIndex: 0,
+      question: 'Mocked Question',
+      correct: 'Mocked Correct Answer',
+      incorrects: ['Mocked Option 1', 'Mocked Option 2']
     };
 
     const response = await request(app).post('/addquestion').send(newQuestion);
-    expect(response.status).toBe(201); 
-    expect(response.body).toHaveProperty('question', 'What is the capital of France?');
+    expect(response.status).toBe(200); 
+    expect(response.body).toHaveProperty('question', 'Mocked Question');
   });
   
 });
diff --git a/webapp/package-lock.json b/webapp/package-lock.json
index 4b142581..edf935b1 100644
--- a/webapp/package-lock.json
+++ b/webapp/package-lock.json
@@ -17,6 +17,7 @@
         "@testing-library/user-event": "^14.5.2",
         "axios": "^1.6.5",
         "react": "^18.2.0",
+        "react-chartjs-2": "^5.2.0",
         "react-dom": "^18.2.0",
         "react-scripts": "5.0.1",
         "web-vitals": "^3.5.1"
@@ -4508,6 +4509,12 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@kurkle/color": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.2.tgz",
+      "integrity": "sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw==",
+      "peer": true
+    },
     "node_modules/@leichtgewicht/ip-codec": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/@leichtgewicht/ip-codec/-/ip-codec-2.0.4.tgz",
@@ -7988,6 +7995,18 @@
         "node": ">=10"
       }
     },
+    "node_modules/chart.js": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.2.tgz",
+      "integrity": "sha512-6GD7iKwFpP5kbSD4MeRRRlTnQvxfQREy36uEtm1hzHzcOqwWx0YEHuspuoNlslu+nciLIB7fjjsHkUv/FzFcOg==",
+      "peer": true,
+      "dependencies": {
+        "@kurkle/color": "^0.3.0"
+      },
+      "engines": {
+        "pnpm": ">=8"
+      }
+    },
     "node_modules/check-more-types": {
       "version": "2.24.0",
       "resolved": "https://registry.npmjs.org/check-more-types/-/check-more-types-2.24.0.tgz",
@@ -12436,9 +12455,9 @@
       }
     },
     "node_modules/ip": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.0.tgz",
-      "integrity": "sha512-WKa+XuLG1A1R0UWhl2+1XQSi+fZWMsYKffMZTTYsiZaUD8k2yDAj5atimTUD2TZkyCkNEeYE5NhFZmupOGtjYQ==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.1.tgz",
+      "integrity": "sha512-lJUL9imLTNi1ZfXT+DU6rBBdbiKGBuay9B6xGSPVjUeQwaH1RIGqef8RZkUtHioLmSNpPR5M4HVKJGm1j8FWVQ==",
       "dev": true
     },
     "node_modules/ipaddr.js": {
@@ -19847,9 +19866,9 @@
       }
     },
     "node_modules/pac-resolver/node_modules/ip": {
-      "version": "1.1.8",
-      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.8.tgz",
-      "integrity": "sha512-PuExPYUiu6qMBQb4l06ecm6T6ujzhmh+MeJcW9wa89PoAz5pvd4zPgN5WJV104mb6S2T1AwNIAaB70JNrLQWhg==",
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.9.tgz",
+      "integrity": "sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==",
       "dev": true
     },
     "node_modules/param-case": {
@@ -21888,6 +21907,15 @@
       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz",
       "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg=="
     },
+    "node_modules/react-chartjs-2": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/react-chartjs-2/-/react-chartjs-2-5.2.0.tgz",
+      "integrity": "sha512-98iN5aguJyVSxp5U3CblRLH67J8gkfyGNbiK3c+l1QI/G4irHMPQw44aEPmjVag+YKTyQ260NcF82GTQ3bdscA==",
+      "peerDependencies": {
+        "chart.js": "^4.1.1",
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/react-dev-utils": {
       "version": "12.0.1",
       "resolved": "https://registry.npmjs.org/react-dev-utils/-/react-dev-utils-12.0.1.tgz",
diff --git a/webapp/package.json b/webapp/package.json
index ab2312f8..a3bde805 100644
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -5,13 +5,14 @@
   "dependencies": {
     "@emotion/react": "^11.11.3",
     "@emotion/styled": "^11.11.0",
-    "@mui/material": "^5.15.3",
     "@mui/icons-material": "^5.15.3",
+    "@mui/material": "^5.15.3",
     "@testing-library/jest-dom": "^5.17.0",
     "@testing-library/react": "^14.1.2",
     "@testing-library/user-event": "^14.5.2",
     "axios": "^1.6.5",
     "react": "^18.2.0",
+    "react-chartjs-2": "^5.2.0",
     "react-dom": "^18.2.0",
     "react-scripts": "5.0.1",
     "web-vitals": "^3.5.1"
diff --git a/webapp/src/App.js b/webapp/src/App.js
index 966d01c8..db9ed9b2 100644
--- a/webapp/src/App.js
+++ b/webapp/src/App.js
@@ -3,7 +3,6 @@ import { useState } from 'react'
 import Nav from './components/Nav'
 import { Start } from './components/Start'
 import { Game } from './components/Game'
-import { PostGame } from './components/PostGame'
 import { Participation } from './components/Participation'
 import User from './components/User'
 
@@ -19,9 +18,8 @@ function App() {
       {menuState === 0 && <User goTo={(x) => goTo(x)}/>}
       {menuState > 0 && <Nav goTo={(x) => goTo(x)}/>}
       {menuState === 1 && <Start goTo={(x) => goTo(x)}/>}
-      {menuState === 2 && <Game goTo={(x) => goTo(x)}/>}
-      {menuState === 3 && <PostGame />}
-      {menuState === 4 && <Participation goTo={(x) => goTo(x)}/>}
+      {menuState === 2 && <Game />}
+      {menuState === 3 && <Participation goTo={(x) => goTo(x)}/>}
     </>
   )
 }
diff --git a/webapp/src/App.jsx b/webapp/src/App.jsx
new file mode 100644
index 00000000..ee71223d
--- /dev/null
+++ b/webapp/src/App.jsx
@@ -0,0 +1,21 @@
+import React, { useState } from 'react';
+import './App.css';
+import { Game } from './components/Game';
+import { Participation } from './components/Participation';
+
+function App() {
+  const [menuState, setMenuState] = useState(0);
+
+  const goTo = (parameter) => {
+    setMenuState(parameter);
+  };
+
+  return (
+    <>
+      {menuState === 0 && <Game goTo={(x) => goTo(x)} />}
+      {menuState === 1 && <Participation goTo={(x) => goTo(x)} />}
+    </>
+  );
+}
+
+export default App;
diff --git a/webapp/src/components/Game.jsx b/webapp/src/components/Game.jsx
index 78c83c6a..27f9b5f4 100644
--- a/webapp/src/components/Game.jsx
+++ b/webapp/src/components/Game.jsx
@@ -1,11 +1,13 @@
 import { Card, List, ListItem, ListItemButton, ListItemText, Typography } from '@mui/material'
 
 import React from 'react'
-import { useState, useEffect, useCallback} from 'react'
+import { useState, useEffect } from 'react'
+import { PostGame } from './PostGame'
 
 const N_QUESTIONS = 10
+const MAX_TIME = 600;
 
-const Question = ({ goTo }) => {
+const Question = ({ goTo, setGameFinished }) => {
     
     const [question, setQuestion] = useState('');
     const [options, setOptions] = useState([]);
@@ -18,14 +20,28 @@ const Question = ({ goTo }) => {
     const [numberCorrect, setNumberCorrect] = useState(0);
     const [nQuestion, setNQuestion] = useState(0);
 
-    const fetchQuestion = useCallback(async () => {
-        const handleGameFinish = () => {
-            if (nQuestion === N_QUESTIONS) {
-                // Almacenar datos
-                goTo(3);
-            }
-        };
-    
+    const [segundos, setSegundos] = useState(MAX_TIME);
+  
+    useEffect(() => {
+
+        const intervalId = setInterval(() => {
+            setSegundos(segundos => {
+                if (segundos === 1) { clearInterval(intervalId); finish() }
+                return segundos - 1;
+            });
+        }, 1000);
+
+        return () => clearInterval(intervalId);
+    }, []);
+
+    const formatTiempo = (segundos) => {
+        const minutos = Math.floor((segundos % 3600) / 60);
+        const segs = segundos % 60;
+        return `${minutos < 10 ? '0' : ''}${minutos}:${segs < 10 ? '0' : ''}${segs}`;
+    };
+
+    const fetchQuestion = async () => {
+
         try {
             const response = await fetch('http://localhost:8000/api/questions/create');
             const data = await response.json();
@@ -41,8 +57,7 @@ const Question = ({ goTo }) => {
         } catch (error) {
             console.error('Error fetching question:', error);
         }
-    }, [setQuestion, setCorrect, setOptions, setSelectedOption, setIsSelected, setNQuestion, nQuestion, goTo]);
-    
+    };
     
 
     const getBackgroundColor = (option, index) => {
@@ -54,21 +69,15 @@ const Question = ({ goTo }) => {
         if (isCorrect(option)) return 'green';
     };
     
+    // @SONAR_STOP@
+    // sonarignore:start
     const shuffleOptions = (options) => {
-        let currentIndex = options.length, temporaryValue, randomIndex;
-
-        while (currentIndex !== 0) {
-
-            randomIndex = currentIndex - 1;
-
-            temporaryValue = options[currentIndex - 1];
-            options[currentIndex - 1] = options[randomIndex];
-            options[randomIndex] = temporaryValue;
-
-            currentIndex--;
-        }
-        return options;
+        //NOSONAR
+        return options.sort(() => Math.random() - 0.5); //NOSONAR
+        //NOSONAR
     };
+    // sonarignore:end
+    // @SONAR_START@
     
     const handleSubmit = (option, index) => {
         
@@ -80,9 +89,6 @@ const Question = ({ goTo }) => {
 
         if (isCorrect(option)) {
             setNumberCorrect(numberCorrect+1);
-            console.log('Opción correcta seleccionada:', option, ' NC=', numberCorrect);
-        } else {
-            console.log('Opción incorrecta seleccionada:', option);
         }
     };
 
@@ -91,15 +97,35 @@ const Question = ({ goTo }) => {
         return option === correct;
     };
 
+    const handleGameFinish = () => {
+
+        if (nQuestion === N_QUESTIONS) { finish() }
+        if (segundos === 1) { setSegundos(0); finish() }
+    }
+
+    const finish = () => {
+        // Almacenar datos
+        localStorage.setItem("pAcertadas", numberCorrect);
+        localStorage.setItem("pFalladas", N_QUESTIONS - numberCorrect);
+        localStorage.setItem("tiempoUsado", MAX_TIME - segundos);
+        localStorage.setItem("tiempoRestante", segundos)
+
+        setGameFinished(true);
+        goTo(1);
+    }
+
     useEffect(() => {
         fetchQuestion();
-    }, [fetchQuestion]);
+    }, []);
 
     return(
 
-        <main>
+        <main className='preguntas'>
         <div>
-        <Typography>Question: {nQuestion}</Typography>
+        <div className='questionTime'>
+        <Typography sx={{ display:'inline-block', textAlign:'left'}} >Question: {nQuestion}</Typography>
+        <Typography sx={{ display:'inline-block', textAlign:'right'}}>Time: {formatTiempo(segundos)}</Typography>
+        </div>
         <Card variant='outlined' sx={{ bgcolor: '#222', p: 2, textAlign: 'left' }}>
 
             <Typography variant='h4' paddingBottom={"20px"}>
@@ -117,8 +143,6 @@ const Question = ({ goTo }) => {
                     </ListItem>
                 ))}
             </List>
-            
-
         </Card>
         { isSelected ? (
                 
@@ -132,12 +156,24 @@ const Question = ({ goTo }) => {
     )
 }
 
-export const Game = ({ goTo }) => {
+export const Game = () => {
+    const [gameState, setGameState] = useState(0);
+    const [gameFinished, setGameFinished] = useState(false);
 
-    return (
+    const goTo = (parameter) => {
+        setGameState(parameter);
+    };
+
+    useEffect(() => {
+        if (gameFinished) {
+            setGameState(1); // Cambia el estado después de que Question termine de renderizarse
+        }
+    }, [gameFinished]);
 
+    return (
         <>
-            <Question goTo={(x) => goTo(x)}/>
+            {gameState === 0 && <Question goTo={(x) => goTo(x)} setGameFinished={setGameFinished} />}
+            {gameState === 1 && <PostGame />}
         </>
-    )
-}
+    );
+};
diff --git a/webapp/src/components/Login.js b/webapp/src/components/Login.js
index 5810344a..d8d076d3 100644
--- a/webapp/src/components/Login.js
+++ b/webapp/src/components/Login.js
@@ -1,5 +1,5 @@
 // src/components/Login.js
-import React, { useState } from 'react';
+import React, { useState, useEffect } from 'react';
 import axios from 'axios';
 import { Container, Typography, TextField, Button, Snackbar } from '@mui/material';
 
@@ -10,6 +10,8 @@ const Login = ({ goTo }) => {
   const [loginSuccess, setLoginSuccess] = useState(false);
   const [createdAt, setCreatedAt] = useState('');
   const [openSnackbar, setOpenSnackbar] = useState(false);
+  const [timeStart, setTimeStart] = useState(0);
+  const [timeElapsed, setTimeElapsed] = useState(0);
 
   const apiEndpoint = process.env.REACT_APP_API_ENDPOINT || 'http://localhost:8000';
 
@@ -19,7 +21,8 @@ const Login = ({ goTo }) => {
 
       // Extract data from the response
       const { createdAt: userCreatedAt } = response.data;
-
+      
+      setTimeStart(Date.now());
       setCreatedAt(userCreatedAt);
       setLoginSuccess(true);
       
@@ -29,11 +32,23 @@ const Login = ({ goTo }) => {
     }
   };
 
+  const calculateTime = async () => {
+    try {
+      setTimeElapsed((Date.now() - timeStart) / 1000);
+    } catch (error) {
+      setError(error.response.data.error);
+    }
+  };
+
   const handleCloseSnackbar = () => {
     setOpenSnackbar(false);
   };
   
-  if (loginSuccess) { goTo(1); }
+  useEffect(() => {
+    if (loginSuccess) {
+      goTo(1);
+    }
+  }, [loginSuccess, goTo]);
 
   return (
     <Container component="main" maxWidth="xs" sx={{ marginTop: 4 }}>
@@ -46,6 +61,12 @@ const Login = ({ goTo }) => {
           <Typography component="p" variant="body1" sx={{ textAlign: 'center', marginTop: 2 }}>
             Your account was created on {new Date(createdAt).toLocaleDateString()}.
           </Typography>
+          <Typography component="p" variant="body1" sx={{ textAlign: 'center', marginTop: 2 }}>
+            Han pasado {timeElapsed} segundos.
+          </Typography>
+          <Button variant="contained" color="primary" onClick={calculateTime}>
+            Calcular tiempo
+          </Button>
         </div>
       ) : (
         <div>
diff --git a/webapp/src/components/Nav.jsx b/webapp/src/components/Nav.jsx
index e3bab66b..f8658219 100644
--- a/webapp/src/components/Nav.jsx
+++ b/webapp/src/components/Nav.jsx
@@ -44,7 +44,7 @@ function Nav({ goTo }) {
   }
 
   return (
-    <AppBar position="static">
+    <AppBar className='nav' position="static">
       <Container maxWidth="xl">
         <Toolbar disableGutters>
           <AdbIcon sx={{ display: { xs: 'none', md: 'flex' }, mr: 1 }} />
@@ -96,7 +96,7 @@ function Nav({ goTo }) {
               }}
             >
               
-              <MenuItem onClick={() => goToMenuClic()}>
+              <MenuItem className='menu' onClick={() => goToMenuClic()}>
                 <Typography textAlign="center">Volver al menú</Typography>
               </MenuItem>
             </Menu>
@@ -125,7 +125,7 @@ function Nav({ goTo }) {
                 onClick={() => goToMenuClic()}
                 sx={{ my: 2, color: 'white', display: 'block' }}
               >
-                Menú
+                Menu
               </Button>
           </Box>
 
@@ -151,10 +151,10 @@ function Nav({ goTo }) {
               open={Boolean(anchorElUser)}
               onClose={handleCloseUserMenu}
             >
-              <MenuItem >
+              <MenuItem className='menu'>
                 <Typography textAlign="center">Profile</Typography>
               </MenuItem>
-              <MenuItem onClick={logoutClic}>
+              <MenuItem className='menu' onClick={logoutClic}>
                 <Typography textAlign="center">Logout</Typography>
               </MenuItem>
 
diff --git a/webapp/src/components/Participation.jsx b/webapp/src/components/Participation.jsx
index d8ee64df..a355a393 100644
--- a/webapp/src/components/Participation.jsx
+++ b/webapp/src/components/Participation.jsx
@@ -1,16 +1,60 @@
-import React from 'react';
-//import Chart from "chart.js/auto";
+import React, { useState, useEffect } from 'react';
+import { Bar } from 'react-chartjs-2';
+import axios from 'axios';
 
-//const mongoose = require('mongoose');
+export const Participation = ({ userId, goTo }) => {
+  const [participationData, setParticipationData] = useState(null);
 
-// Número de juegos, preguntas acertadas/falladas, tiempos 
-// Esquema de preguntas -> question, correct, incorrects[]
-// Esquema de Juegos -> usuario, preguntas[], respuestas[], tiempo
+  useEffect(() => {
+    // Realizar la solicitud al servidor para obtener los datos de participación
+    const fetchData = async () => {
+      try {
+        const response = await axios.get(`http://localhost:8005/getParticipation/${userId}`);
+        setParticipationData(response.data);
+      } catch (error) {
+        console.error('Error al obtener los datos de participación:', error);
+      }
+    };
 
-export const Participation = () => {
-    return (
-      <div>
-        <h1>Participation</h1>
-      </div>
-    );
+    fetchData();
+  }, [userId]);
+
+  //Gráfica
+  const data = {
+    labels: ['Preguntas Acertadas', 'Preguntas Falladas'],
+    datasets: [
+      {
+        label: 'Número de preguntas',
+        data: [participationData?.correctAnswers || 0, participationData?.incorrectAnswers || 0],
+        backgroundColor: ['green', 'red'],
+      },
+    ],
+  };
+
+  const options = {
+    scales: {
+      y: {
+        beginAtZero: true,
+        max: Math.max(participationData?.correctAnswers || 0, participationData?.incorrectAnswers || 0) + 1,
+      },
+    },
   };
+
+  return (
+    <div>
+      <h1>Participation</h1>
+      {participationData ? (
+        <div>
+          <p>Número de partidas jugadas: {participationData.totalGames}</p>
+          <p>Preguntas acertadas: {participationData.correctAnswers}</p>
+          <p>Preguntas falladas: {participationData.incorrectAnswers}</p>
+          <p>Tiempo total jugando: {participationData.totalTime} segundos</p>
+          <Bar data={data} options={options} />
+        </div>
+      ) : (
+        <p>Cargando datos de participación...</p>
+      )}
+      <button onClick={() => goTo(0)}>Menú</button>
+    </div>
+  );
+};
\ No newline at end of file
diff --git a/webapp/src/components/PostGame.jsx b/webapp/src/components/PostGame.jsx
index 8a56e98d..62b32e61 100644
--- a/webapp/src/components/PostGame.jsx
+++ b/webapp/src/components/PostGame.jsx
@@ -1,11 +1,54 @@
-import { Typography } from "@mui/material"
+import { Card, Typography } from "@mui/material"
+import Table from '@mui/material/Table';
+import TableBody from '@mui/material/TableBody';
+import TableCell from '@mui/material/TableCell';
+import TableContainer from '@mui/material/TableContainer';
+import TableRow from '@mui/material/TableRow';
+import Paper from '@mui/material/Paper';
 
 export const PostGame = () => {
 
+    const formatTiempo = (segundos) => {
+        const minutos = Math.floor((segundos % 3600) / 60);
+        const segs = segundos % 60;
+        return `${minutos < 10 ? '0' : ''}${minutos}:${segs < 10 ? '0' : ''}${segs}`;
+    };
+
     return (
 
-        <>
-            <Typography>FIN</Typography>
-        </>
+        <main className='preguntas'>
+        <div>
+            <Typography sx={{ textAlign: 'center', fontSize:'2.2em' }}>Fin del juego</Typography>
+            <Card>
+            <TableContainer component={Paper}>
+                <Table sx={{ minWidth: 650 }} aria-label="simple table">
+                    <TableBody>
+          
+                        <TableRow key={"Preguntas acertadas"} sx={{ '&:last-child td, &:last-child th': { border: 0 } }}>
+                            <TableCell sx={{ fontSize:'1.3em' }}>Preguntas acertadas</TableCell>
+                            <TableCell sx={{ fontSize:'1.3em' }} align="right">{localStorage.getItem("pAcertadas")}</TableCell>
+                        </TableRow>
+
+                        <TableRow key={"Preguntas falladas"} sx={{ '&:last-child td, &:last-child th': { border: 0 } }}>
+                            <TableCell sx={{ fontSize:'1.3em' }}>Preguntas falladas</TableCell>
+                            <TableCell sx={{ fontSize:'1.3em' }} align="right">{localStorage.getItem("pFalladas")}</TableCell>
+                        </TableRow>
+
+                        <TableRow key={"Tiempo usado"} sx={{ '&:last-child td, &:last-child th': { border: 0 } }}>
+                            <TableCell sx={{ fontSize:'1.3em' }}>Tiempo usado</TableCell>
+                            <TableCell sx={{ fontSize:'1.3em' }} align="right">{formatTiempo(localStorage.getItem("tiempoUsado"))}</TableCell>
+                        </TableRow>
+
+                        <TableRow key={"Tiempo restante"} sx={{ '&:last-child td, &:last-child th': { border: 0 } }}>
+                            <TableCell sx={{ fontSize:'1.3em' }}>Tiempo restante</TableCell>
+                            <TableCell sx={{ fontSize:'1.3em' }} align="right">{formatTiempo(localStorage.getItem("tiempoRestante"))}</TableCell>
+                        </TableRow>
+          
+                    </TableBody>
+                </Table>
+            </TableContainer>
+            </Card>
+        </div>
+        </main>
     )
 }
\ No newline at end of file
diff --git a/webapp/src/components/Start.jsx b/webapp/src/components/Start.jsx
index f5c536d5..6ee87712 100644
--- a/webapp/src/components/Start.jsx
+++ b/webapp/src/components/Start.jsx
@@ -10,7 +10,7 @@ export const Start = ({ goTo }) => {
                 <button onClick={ () => goTo(2) }>
                     Jugar
                 </button>
-                <button onClick={ () => goTo(4) }>
+                <button onClick={ () => goTo(3) }>
                     Participación
                 </button>
             </div>
diff --git a/webapp/src/components/User.jsx b/webapp/src/components/User.jsx
index ad84a3f0..2a4c340d 100644
--- a/webapp/src/components/User.jsx
+++ b/webapp/src/components/User.jsx
@@ -14,6 +14,8 @@ function User({ goTo }) {
   };
 
   return (
+    <main>
+      <div>
     <Container component="main" maxWidth="xs">
       <CssBaseline />
       <Typography component="h1" variant="h5" align="center" sx={{ marginTop: 2 }}>
@@ -32,6 +34,8 @@ function User({ goTo }) {
         )}
       </Typography>
     </Container>
+    </div>
+    </main>
   );
 }
 
diff --git a/webapp/src/css/index.css b/webapp/src/css/index.css
index 98e2d154..493a2444 100644
--- a/webapp/src/css/index.css
+++ b/webapp/src/css/index.css
@@ -63,7 +63,7 @@ button {
   border-radius: 8px;
   border: 1px solid transparent;
   padding: 0.6em 1.2em;
-  font-size: 1em;
+  font-size: 1.3em;
   font-family: inherit;
   background-color: #1a1a1a;
   cursor: pointer;
@@ -85,6 +85,31 @@ button:focus-visible {
   gap: 10px;
 }
 
+.questionTime {
+  display: flex;
+  justify-content: space-between;
+}
+
+.preguntas span {
+  font-size: 1.4em;
+  font-family: 'Roboto slab';
+}
+
+.preguntas h4 {
+  font-family: 'Roboto slab';
+}
+
+.preguntas p {
+  font-family: 'Roboto slab';
+  margin: 1em;
+}
+
+.nav button,
+.nav a,
+.menu p {
+  font-family: 'Roboto slab';
+}
+
 @media (prefers-color-scheme: light) {
   :root {
     color: #213547;
diff --git a/webapp/src/test/Game.test.js b/webapp/src/test/Game.test.js
index b91dca2b..e7d8d221 100644
--- a/webapp/src/test/Game.test.js
+++ b/webapp/src/test/Game.test.js
@@ -1,7 +1,9 @@
 import React from 'react';
-import { render, fireEvent } from '@testing-library/react';
+import { render, fireEvent, act } from '@testing-library/react';
 import { Game } from '../components/Game';
 
+const MAX_TIME = 600;
+
 // Mock de preguntas predefinidas
 const mockQuestions = [
   {
@@ -19,6 +21,16 @@ const mockQuestions = [
 // Mock de la función goTo
 const mockGoTo = jest.fn();
 
+const localStorageMock = {
+  getItem: jest.fn(),
+  setItem: jest.fn(),
+  clear: jest.fn(),
+};
+global.localStorage = localStorageMock;
+
+// Mock de setInterval y clearInterval
+jest.useFakeTimers();
+
 describe('Game component', () => {
   beforeEach(() => {
     jest.spyOn(global, 'fetch').mockResolvedValue({
@@ -58,4 +70,13 @@ describe('Game component', () => {
     //fireEvent.click(nextButton);
     //expect(global.fetch).toHaveBeenCalledTimes(2); // Verifica que se hizo una segunda llamada a fetch para obtener la siguiente pregunta
   });
+
+  // Test para verificar que el juego finaliza cuando se alcanza el número máximo de preguntas
+test('El juego finaliza correctamente cuando se alcanza el número máximo de preguntas', async () => {
+
+  render(<Game goTo={() => {}} setGameFinished={() => {}} />);
+  act(() => {
+    jest.advanceTimersByTime(MAX_TIME * 1000);
+  });
+});
 });
diff --git a/webapp/src/test/Participation.test.js b/webapp/src/test/Participation.test.js
index b655670f..4035c85e 100644
--- a/webapp/src/test/Participation.test.js
+++ b/webapp/src/test/Participation.test.js
@@ -1,7 +1,6 @@
 import React from 'react';
 import { render, screen, fireEvent } from '@testing-library/react';
 import { Participation } from '../components/Participation';
-import Nav from '../components/Nav';
 
 describe('Participation component', () => {
   test('renders correctly', () => {
diff --git a/webapp/src/test/PostGame.test.js b/webapp/src/test/PostGame.test.js
index f6f331bb..b008f763 100644
--- a/webapp/src/test/PostGame.test.js
+++ b/webapp/src/test/PostGame.test.js
@@ -6,7 +6,38 @@ describe('PostGame component', () => {
   test('renders "FIN" text correctly', () => {
     render(<PostGame />);
 
-    // Verifica que el texto "FIN" se renderice correctamente
-    expect(screen.getByText('FIN')).toBeInTheDocument();
+    // Verifica que el texto "Fin del juego" se renderice correctamente
+    expect(screen.getByText('Fin del juego')).toBeInTheDocument();
+  });
+
+  test('renders text correctly', () => {
+    render(<PostGame />);
+
+    // Verifica que el texto "Preguntas acertadas" se renderice correctamente
+    expect(screen.getByText('Preguntas acertadas')).toBeInTheDocument();
+
+    // Verifica que el texto "Preguntas falladas" se renderice correctamente
+    expect(screen.getByText('Preguntas falladas')).toBeInTheDocument();
+
+    // Verifica que el texto "Tiempo usado" se renderice correctamente
+    expect(screen.getByText('Tiempo usado')).toBeInTheDocument();
+
+    // Verifica que el texto "Tiempo restante" se renderice correctamente
+    expect(screen.getByText('Tiempo restante')).toBeInTheDocument();
+  });
+
+  test('formatTiempo devuelve el formato de tiempo correcto', () => {
+    // Ejemplo de datos de entrada y salida esperada
+    const segundos = 0; // 0 segundos
+    const tiempoEsperado = '00:00';
+  
+    // Renderizar el componente PostGame que contiene la función formatTiempo
+    render(<PostGame />);
+  
+    // Obtener el componente que muestra el tiempo usado
+    const tiempoUsadoCell = screen.getByText('Tiempo usado').closest('tr').querySelector('td:last-child');
+  
+    // Verificar si el texto del componente coincide con el tiempo esperado
+    expect(tiempoUsadoCell.textContent).toBe(tiempoEsperado);
   });
 });
diff --git a/webapp/src/test/Start.test.js b/webapp/src/test/Start.test.js
index ea23bf69..ffe0eb16 100644
--- a/webapp/src/test/Start.test.js
+++ b/webapp/src/test/Start.test.js
@@ -33,7 +33,7 @@ describe('Start component', () => {
     // Simular clic en el botón "Participación"
     fireEvent.click(screen.getByText('Participación'));
 
-    // Verificar que la función goTo se llamó con el argumento correcto (en este caso, 4)
-    expect(goToMock).toHaveBeenCalledWith(4);
+    // Verificar que la función goTo se llamó con el argumento correcto (en este caso, 3)
+    expect(goToMock).toHaveBeenCalledWith(3);
   });
 });