diff --git a/code/__DEFINES/tgs.dm b/code/__DEFINES/tgs.dm
index 0cc106ec9cf..b0e97e05e9b 100644
--- a/code/__DEFINES/tgs.dm
+++ b/code/__DEFINES/tgs.dm
@@ -1,6 +1,6 @@
 // tgstation-server DMAPI
 
-#define TGS_DMAPI_VERSION "6.6.2"
+#define TGS_DMAPI_VERSION "6.7.0"
 
 // All functions and datums outside this document are subject to change with any version and should not be relied on.
 
diff --git a/code/modules/tgs/v5/__interop_version.dm b/code/modules/tgs/v5/__interop_version.dm
index 1b52b31d6a7..83420d130a7 100644
--- a/code/modules/tgs/v5/__interop_version.dm
+++ b/code/modules/tgs/v5/__interop_version.dm
@@ -1 +1 @@
-"5.6.2"
+"5.7.0"
diff --git a/code/modules/tgs/v5/_defines.dm b/code/modules/tgs/v5/_defines.dm
index bdcd4e4dd58..48969c0c7d5 100644
--- a/code/modules/tgs/v5/_defines.dm
+++ b/code/modules/tgs/v5/_defines.dm
@@ -80,6 +80,7 @@
 #define DMAPI5_TOPIC_COMMAND_WATCHDOG_REATTACH 8
 #define DMAPI5_TOPIC_COMMAND_SEND_CHUNK 9
 #define DMAPI5_TOPIC_COMMAND_RECEIVE_CHUNK 10
+#define DMAPI5_TOPIC_COMMAND_RECEIVE_BROADCAST 11
 
 #define DMAPI5_TOPIC_PARAMETER_COMMAND_TYPE "commandType"
 #define DMAPI5_TOPIC_PARAMETER_CHAT_COMMAND "chatCommand"
@@ -89,6 +90,7 @@
 #define DMAPI5_TOPIC_PARAMETER_NEW_INSTANCE_NAME "newInstanceName"
 #define DMAPI5_TOPIC_PARAMETER_CHAT_UPDATE "chatUpdate"
 #define DMAPI5_TOPIC_PARAMETER_NEW_SERVER_VERSION "newServerVersion"
+#define DMAPI5_TOPIC_PARAMETER_BROADCAST_MESSAGE "broadcastMessage"
 
 #define DMAPI5_TOPIC_RESPONSE_COMMAND_RESPONSE "commandResponse"
 #define DMAPI5_TOPIC_RESPONSE_COMMAND_RESPONSE_MESSAGE "commandResponseMessage"
diff --git a/code/modules/tgs/v5/topic.dm b/code/modules/tgs/v5/topic.dm
index d7d47121381..2ef0c70a97f 100644
--- a/code/modules/tgs/v5/topic.dm
+++ b/code/modules/tgs/v5/topic.dm
@@ -94,7 +94,7 @@
 		if(DMAPI5_TOPIC_COMMAND_CHANGE_PORT)
 			var/new_port = topic_parameters[DMAPI5_TOPIC_PARAMETER_NEW_PORT]
 			if (!isnum(new_port) || !(new_port > 0))
-				return TopicResponse("Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_PORT]]")
+				return TopicResponse("Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_PORT]")
 
 			if(event_handler != null)
 				event_handler.HandleEvent(TGS_EVENT_PORT_SWAP, new_port)
@@ -141,7 +141,7 @@
 		if(DMAPI5_TOPIC_COMMAND_SERVER_PORT_UPDATE)
 			var/new_port = topic_parameters[DMAPI5_TOPIC_PARAMETER_NEW_PORT]
 			if (!isnum(new_port) || !(new_port > 0))
-				return TopicResponse("Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_PORT]]")
+				return TopicResponse("Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_PORT]")
 
 			server_port = new_port
 			return TopicResponse()
@@ -157,7 +157,7 @@
 			var/error_message = null
 			if (new_port != null)
 				if (!isnum(new_port) || !(new_port > 0))
-					error_message = "Invalid [DMAPI5_TOPIC_PARAMETER_NEW_PORT]]"
+					error_message = "Invalid [DMAPI5_TOPIC_PARAMETER_NEW_PORT]"
 				else
 					server_port = new_port
 
@@ -165,7 +165,7 @@
 			if (!istext(new_version_string))
 				if(error_message != null)
 					error_message += ", "
-				error_message += "Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_SERVER_VERSION]]"
+				error_message += "Invalid or missing [DMAPI5_TOPIC_PARAMETER_NEW_SERVER_VERSION]"
 			else
 				var/datum/tgs_version/new_version = new(new_version_string)
 				if (event_handler)
@@ -267,4 +267,16 @@
 
 			return chunk_to_send
 
+		if(DMAPI5_TOPIC_COMMAND_RECEIVE_BROADCAST)
+			var/message = topic_parameters[DMAPI5_TOPIC_PARAMETER_BROADCAST_MESSAGE]
+			if (!istext(message))
+				return TopicResponse("Invalid or missing [DMAPI5_TOPIC_PARAMETER_BROADCAST_MESSAGE]")
+
+			TGS_WORLD_ANNOUNCE(message)
+			return TopicResponse()
+
 	return TopicResponse("Unknown command: [command]")
+
+/datum/tgs_api/v5/proc/WorldBroadcast(message)
+	set waitfor = FALSE
+	TGS_WORLD_ANNOUNCE(message)
diff --git a/code/modules/tgs/v5/undefs.dm b/code/modules/tgs/v5/undefs.dm
index f163adaaafe..fd1ed7e4cf5 100644
--- a/code/modules/tgs/v5/undefs.dm
+++ b/code/modules/tgs/v5/undefs.dm
@@ -78,6 +78,9 @@
 #undef DMAPI5_TOPIC_COMMAND_SERVER_PORT_UPDATE
 #undef DMAPI5_TOPIC_COMMAND_HEALTHCHECK
 #undef DMAPI5_TOPIC_COMMAND_WATCHDOG_REATTACH
+#undef DMAPI5_TOPIC_COMMAND_SEND_CHUNK
+#undef DMAPI5_TOPIC_COMMAND_RECEIVE_CHUNK
+#undef DMAPI5_TOPIC_COMMAND_RECEIVE_BROADCAST
 
 #undef DMAPI5_TOPIC_PARAMETER_COMMAND_TYPE
 #undef DMAPI5_TOPIC_PARAMETER_CHAT_COMMAND
@@ -87,6 +90,7 @@
 #undef DMAPI5_TOPIC_PARAMETER_NEW_INSTANCE_NAME
 #undef DMAPI5_TOPIC_PARAMETER_CHAT_UPDATE
 #undef DMAPI5_TOPIC_PARAMETER_NEW_SERVER_VERSION
+#undef DMAPI5_TOPIC_PARAMETER_BROADCAST_MESSAGE
 
 #undef DMAPI5_TOPIC_RESPONSE_COMMAND_RESPONSE
 #undef DMAPI5_TOPIC_RESPONSE_COMMAND_RESPONSE_MESSAGE