diff --git a/src/ObjCommon/Localize/LocalizeFile.cpp b/src/ObjCommon/Localize/LocalizeFile.cpp
deleted file mode 100644
index 3cd6e3d0d..000000000
--- a/src/ObjCommon/Localize/LocalizeFile.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "LocalizeFile.h"
-
-LocalizeFileEntry::LocalizeFileEntry() = default;
-
-LocalizeFileEntry::LocalizeFileEntry(std::string key, std::string value)
-    : m_key(std::move(key)),
-      m_value(std::move(value))
-{
-}
diff --git a/src/ObjCommon/Localize/LocalizeFile.h b/src/ObjCommon/Localize/LocalizeFile.h
deleted file mode 100644
index 73ac2dad9..000000000
--- a/src/ObjCommon/Localize/LocalizeFile.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma once
-#include <string>
-
-class LocalizeFileEntry
-{
-public:
-    std::string m_key;
-    std::string m_value;
-
-    LocalizeFileEntry();
-    LocalizeFileEntry(std::string key, std::string value);
-};
diff --git a/src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLocalizeEntry.cpp b/src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLocalizeEntry.cpp
index d4d89ff38..6295f5219 100644
--- a/src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLocalizeEntry.cpp
+++ b/src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderLocalizeEntry.cpp
@@ -1,7 +1,7 @@
 #include "AssetLoaderLocalizeEntry.h"
 
 #include "Localize/LocalizeCommon.h"
-#include "Parsing/LocalizeFile/LocalizeFileReader.h"
+#include "Localize/Parsing/LocalizeFileReader.h"
 
 #include <sstream>
 
@@ -36,16 +36,17 @@ bool AssetLoaderLocalizeEntry::LoadFromRaw(
     if (!file.IsOpen())
         return false;
 
-    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language);
+    auto* zoneState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<LocalizeReadingZoneState>();
+    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language, zoneState);
     const auto localizeEntries = reader.ReadLocalizeFile();
 
-    for (const auto& entry : localizeEntries)
+    for (const auto& [key, value] : localizeEntries)
     {
         auto* localizeEntry = memory->Create<LocalizeEntry>();
-        localizeEntry->name = memory->Dup(entry.m_key.c_str());
-        localizeEntry->value = memory->Dup(entry.m_value.c_str());
+        localizeEntry->name = memory->Dup(key.c_str());
+        localizeEntry->value = memory->Dup(value.c_str());
 
-        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, entry.m_key, localizeEntry);
+        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, key, localizeEntry);
     }
 
     return true;
diff --git a/src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderLocalizeEntry.cpp b/src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
index d3b94c757..52c4a53e0 100644
--- a/src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
+++ b/src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
@@ -1,7 +1,7 @@
 #include "AssetLoaderLocalizeEntry.h"
 
 #include "Localize/LocalizeCommon.h"
-#include "Parsing/LocalizeFile/LocalizeFileReader.h"
+#include "Localize/Parsing/LocalizeFileReader.h"
 
 #include <sstream>
 
@@ -36,16 +36,17 @@ bool AssetLoaderLocalizeEntry::LoadFromRaw(
     if (!file.IsOpen())
         return false;
 
-    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language);
+    auto* zoneState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<LocalizeReadingZoneState>();
+    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language, zoneState);
     const auto localizeEntries = reader.ReadLocalizeFile();
 
-    for (const auto& entry : localizeEntries)
+    for (const auto& [key, value] : localizeEntries)
     {
         auto* localizeEntry = memory->Create<LocalizeEntry>();
-        localizeEntry->name = memory->Dup(entry.m_key.c_str());
-        localizeEntry->value = memory->Dup(entry.m_value.c_str());
+        localizeEntry->name = memory->Dup(key.c_str());
+        localizeEntry->value = memory->Dup(value.c_str());
 
-        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, entry.m_key, localizeEntry);
+        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, key, localizeEntry);
     }
 
     return true;
diff --git a/src/ObjLoading/Game/T5/AssetLoaders/AssetLoaderLocalizeEntry.cpp b/src/ObjLoading/Game/T5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
index 33f67fafc..05e353a97 100644
--- a/src/ObjLoading/Game/T5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
+++ b/src/ObjLoading/Game/T5/AssetLoaders/AssetLoaderLocalizeEntry.cpp
@@ -1,7 +1,7 @@
 #include "AssetLoaderLocalizeEntry.h"
 
 #include "Localize/LocalizeCommon.h"
-#include "Parsing/LocalizeFile/LocalizeFileReader.h"
+#include "Localize/Parsing/LocalizeFileReader.h"
 
 #include <sstream>
 
@@ -36,16 +36,17 @@ bool AssetLoaderLocalizeEntry::LoadFromRaw(
     if (!file.IsOpen())
         return false;
 
-    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language);
+    auto* zoneState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<LocalizeReadingZoneState>();
+    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language, zoneState);
     const auto localizeEntries = reader.ReadLocalizeFile();
 
-    for (const auto& entry : localizeEntries)
+    for (const auto& [key, value] : localizeEntries)
     {
         auto* localizeEntry = memory->Create<LocalizeEntry>();
-        localizeEntry->name = memory->Dup(entry.m_key.c_str());
-        localizeEntry->value = memory->Dup(entry.m_value.c_str());
+        localizeEntry->name = memory->Dup(key.c_str());
+        localizeEntry->value = memory->Dup(value.c_str());
 
-        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, entry.m_key, localizeEntry);
+        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, key, localizeEntry);
     }
 
     return true;
diff --git a/src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderLocalizeEntry.cpp b/src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderLocalizeEntry.cpp
index 1a2265f71..9dda88e42 100644
--- a/src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderLocalizeEntry.cpp
+++ b/src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderLocalizeEntry.cpp
@@ -1,7 +1,7 @@
 #include "AssetLoaderLocalizeEntry.h"
 
 #include "Localize/LocalizeCommon.h"
-#include "Parsing/LocalizeFile/LocalizeFileReader.h"
+#include "Localize/Parsing/LocalizeFileReader.h"
 
 #include <sstream>
 
@@ -36,16 +36,17 @@ bool AssetLoaderLocalizeEntry::LoadFromRaw(
     if (!file.IsOpen())
         return false;
 
-    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language);
+    auto* zoneState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<LocalizeReadingZoneState>();
+    LocalizeFileReader reader(*file.m_stream, assetName, zone->m_language, zoneState);
     const auto localizeEntries = reader.ReadLocalizeFile();
 
-    for (const auto& entry : localizeEntries)
+    for (const auto& [key, value] : localizeEntries)
     {
         auto* localizeEntry = memory->Create<LocalizeEntry>();
-        localizeEntry->name = memory->Dup(entry.m_key.c_str());
-        localizeEntry->value = memory->Dup(entry.m_value.c_str());
+        localizeEntry->name = memory->Dup(key.c_str());
+        localizeEntry->value = memory->Dup(value.c_str());
 
-        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, entry.m_key, localizeEntry);
+        manager->AddAsset(ASSET_TYPE_LOCALIZE_ENTRY, key, localizeEntry);
     }
 
     return true;
diff --git a/src/ObjLoading/Localize/LocalizeReadingZoneState.cpp b/src/ObjLoading/Localize/LocalizeReadingZoneState.cpp
new file mode 100644
index 000000000..652c5ba9f
--- /dev/null
+++ b/src/ObjLoading/Localize/LocalizeReadingZoneState.cpp
@@ -0,0 +1,11 @@
+#include "LocalizeReadingZoneState.h"
+
+bool LocalizeReadingZoneState::DoLocalizeEntryDuplicateCheck(const std::string& key)
+{
+    const auto existingEntry = m_keys.find(key);
+    if (existingEntry != m_keys.end())
+        return false;
+
+    m_keys.emplace(key);
+    return true;
+}
diff --git a/src/ObjLoading/Localize/LocalizeReadingZoneState.h b/src/ObjLoading/Localize/LocalizeReadingZoneState.h
new file mode 100644
index 000000000..6350e138b
--- /dev/null
+++ b/src/ObjLoading/Localize/LocalizeReadingZoneState.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "AssetLoading/IZoneAssetLoaderState.h"
+
+#include <string>
+#include <unordered_set>
+
+class LocalizeReadingZoneState final : public IZoneAssetLoaderState
+{
+public:
+    /**
+     * Checks whether a localize key was already added.
+     * Inserts key if it was not added yet.
+     *
+     * \param key The key to check
+     * \returns \c true if key was not duplicated yet, \c false otherwise
+     */
+    bool DoLocalizeEntryDuplicateCheck(const std::string& key);
+
+private:
+    std::unordered_set<std::string> m_keys;
+};
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.cpp b/src/ObjLoading/Localize/Parsing/LocalizeFileParser.cpp
similarity index 88%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.cpp
rename to src/ObjLoading/Localize/Parsing/LocalizeFileParser.cpp
index c2a46338c..56413ac65 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.cpp
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileParser.cpp
@@ -8,8 +8,8 @@
 #include "Sequence/SequenceLocalizeFileReference.h"
 #include "Sequence/SequenceLocalizeFileVersion.h"
 
-LocalizeFileParser::LocalizeFileParser(SimpleLexer* lexer, GameLanguage language)
-    : AbstractParser(lexer, std::make_unique<LocalizeFileParserState>(language))
+LocalizeFileParser::LocalizeFileParser(SimpleLexer* lexer, GameLanguage language, LocalizeReadingZoneState* zoneState)
+    : AbstractParser(lexer, std::make_unique<LocalizeFileParserState>(language, zoneState))
 {
 }
 
@@ -32,7 +32,7 @@ const std::vector<AbstractParser<SimpleParserValue, LocalizeFileParserState>::se
     return !m_state->m_end ? tests : noTests;
 }
 
-std::vector<LocalizeFileEntry> LocalizeFileParser::GetParsedValues()
+std::map<std::string, std::string> LocalizeFileParser::GetParsedValues()
 {
     return std::move(m_state->m_entries);
 }
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.h b/src/ObjLoading/Localize/Parsing/LocalizeFileParser.h
similarity index 82%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.h
rename to src/ObjLoading/Localize/Parsing/LocalizeFileParser.h
index 348e2a9e4..e9072cf2f 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParser.h
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileParser.h
@@ -12,6 +12,6 @@ class LocalizeFileParser final : public AbstractParser<SimpleParserValue, Locali
     const std::vector<sequence_t*>& GetTestsForState() override;
 
 public:
-    LocalizeFileParser(SimpleLexer* lexer, GameLanguage language);
-    std::vector<LocalizeFileEntry> GetParsedValues();
+    LocalizeFileParser(SimpleLexer* lexer, GameLanguage language, LocalizeReadingZoneState* zoneState);
+    std::map<std::string, std::string> GetParsedValues();
 };
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.cpp b/src/ObjLoading/Localize/Parsing/LocalizeFileParserState.cpp
similarity index 74%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.cpp
rename to src/ObjLoading/Localize/Parsing/LocalizeFileParserState.cpp
index 803081ec6..35dbc8086 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.cpp
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileParserState.cpp
@@ -2,9 +2,10 @@
 
 #include "Localize/LocalizeCommon.h"
 
-LocalizeFileParserState::LocalizeFileParserState(const GameLanguage language)
+LocalizeFileParserState::LocalizeFileParserState(const GameLanguage language, LocalizeReadingZoneState* zoneState)
     : m_end(false),
-      m_language(language)
+      m_language(language),
+      m_zone_state(zoneState)
 {
     m_language_name_caps = LocalizeCommon::GetNameOfLanguage(m_language);
     for (auto& c : m_language_name_caps)
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.h b/src/ObjLoading/Localize/Parsing/LocalizeFileParserState.h
similarity index 55%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.h
rename to src/ObjLoading/Localize/Parsing/LocalizeFileParserState.h
index 9a01bf604..ad83741ea 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileParserState.h
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileParserState.h
@@ -1,22 +1,24 @@
 #pragma once
+
 #include "Game/GameLanguage.h"
-#include "Localize/LocalizeFile.h"
+#include "Localize/LocalizeReadingZoneState.h"
 
+#include <map>
 #include <unordered_set>
-#include <vector>
 
 class LocalizeFileParserState
 {
 public:
     bool m_end;
 
-    std::vector<LocalizeFileEntry> m_entries;
+    std::map<std::string, std::string> m_entries;
 
     GameLanguage m_language;
+    LocalizeReadingZoneState* m_zone_state;
     std::string m_language_name_caps;
 
     std::string m_current_reference;
     std::unordered_set<std::string> m_current_reference_languages;
 
-    explicit LocalizeFileParserState(GameLanguage language);
+    LocalizeFileParserState(GameLanguage language, LocalizeReadingZoneState* zoneState);
 };
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.cpp b/src/ObjLoading/Localize/Parsing/LocalizeFileReader.cpp
similarity index 82%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.cpp
rename to src/ObjLoading/Localize/Parsing/LocalizeFileReader.cpp
index d9a28df54..a2c1a3444 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.cpp
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileReader.cpp
@@ -4,10 +4,11 @@
 #include "Parsing/Impl/CommentRemovingStreamProxy.h"
 #include "Parsing/Impl/ParserSingleInputStream.h"
 
-LocalizeFileReader::LocalizeFileReader(std::istream& stream, std::string fileName, GameLanguage language)
+LocalizeFileReader::LocalizeFileReader(std::istream& stream, std::string fileName, GameLanguage language, LocalizeReadingZoneState* zoneState)
     : m_file_name(std::move(fileName)),
       m_stream(nullptr),
-      m_language(language)
+      m_language(language),
+      m_zone_state(zoneState)
 {
     OpenBaseStream(stream);
     SetupStreamProxies();
@@ -27,7 +28,7 @@ void LocalizeFileReader::SetupStreamProxies()
     m_stream = m_open_streams.back().get();
 }
 
-std::vector<LocalizeFileEntry> LocalizeFileReader::ReadLocalizeFile()
+std::map<std::string, std::string> LocalizeFileReader::ReadLocalizeFile()
 {
     SimpleLexer::Config lexerConfig;
     lexerConfig.m_emit_new_line_tokens = true;
@@ -37,11 +38,11 @@ std::vector<LocalizeFileEntry> LocalizeFileReader::ReadLocalizeFile()
     lexerConfig.m_read_floating_point_numbers = false;
     const auto lexer = std::make_unique<SimpleLexer>(m_stream, std::move(lexerConfig));
 
-    const auto parser = std::make_unique<LocalizeFileParser>(lexer.get(), m_language);
+    const auto parser = std::make_unique<LocalizeFileParser>(lexer.get(), m_language, m_zone_state);
 
     if (parser->Parse())
         return parser->GetParsedValues();
 
     std::cout << "Parsing localization file failed!" << std::endl;
-    return std::vector<LocalizeFileEntry>();
+    return std::map<std::string, std::string>();
 }
diff --git a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.h b/src/ObjLoading/Localize/Parsing/LocalizeFileReader.h
similarity index 67%
rename from src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.h
rename to src/ObjLoading/Localize/Parsing/LocalizeFileReader.h
index 34130c96c..cf4572bc8 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/LocalizeFileReader.h
+++ b/src/ObjLoading/Localize/Parsing/LocalizeFileReader.h
@@ -1,9 +1,10 @@
 #pragma once
 
 #include "Game/GameLanguage.h"
-#include "Localize/LocalizeFile.h"
+#include "Localize/LocalizeReadingZoneState.h"
 #include "Parsing/IParserLineStream.h"
 
+#include <map>
 #include <memory>
 #include <string>
 #include <vector>
@@ -14,12 +15,13 @@ class LocalizeFileReader
     IParserLineStream* m_stream;
     std::vector<std::unique_ptr<IParserLineStream>> m_open_streams;
     GameLanguage m_language;
+    LocalizeReadingZoneState* m_zone_state;
 
     bool OpenBaseStream(std::istream& stream);
     void SetupStreamProxies();
 
 public:
-    LocalizeFileReader(std::istream& stream, std::string fileName, GameLanguage language);
+    LocalizeFileReader(std::istream& stream, std::string fileName, GameLanguage language, LocalizeReadingZoneState* zoneState);
 
-    std::vector<LocalizeFileEntry> ReadLocalizeFile();
+    std::map<std::string, std::string> ReadLocalizeFile();
 };
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConfig.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConfig.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConfig.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConfig.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConfig.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConfig.h
similarity index 83%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConfig.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConfig.h
index a17bd0c97..0059b6419 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConfig.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConfig.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileConfig final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConsumeEmptyLines.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConsumeEmptyLines.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConsumeEmptyLines.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConsumeEmptyLines.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConsumeEmptyLines.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConsumeEmptyLines.h
similarity index 84%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConsumeEmptyLines.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConsumeEmptyLines.h
index 6f3b0e9e3..b65f21dfb 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileConsumeEmptyLines.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileConsumeEmptyLines.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileConsumeEmptyLines final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileEndMarker.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileEndMarker.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileEndMarker.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileEndMarker.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileEndMarker.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileEndMarker.h
similarity index 83%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileEndMarker.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileEndMarker.h
index 6c77f1ea6..020fe9bd1 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileEndMarker.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileEndMarker.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileEndMarker final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.cpp
similarity index 78%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.cpp
index 81ce8b4a4..064a5fcd6 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.cpp
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.cpp
@@ -31,5 +31,13 @@ void SequenceLocalizeFileLanguageValue::ProcessMatch(LocalizeFileParserState* st
     state->m_current_reference_languages.emplace(langName);
 
     if (langName == state->m_language_name_caps)
-        state->m_entries.emplace_back(state->m_current_reference, valueToken.StringValue());
+    {
+        const auto& currentReference = state->m_current_reference;
+        if (!state->m_zone_state->DoLocalizeEntryDuplicateCheck(currentReference))
+        {
+            std::cout << "Localize: a value for reference \"" << currentReference << "\" was already defined\n";
+        }
+
+        state->m_entries[currentReference] = valueToken.StringValue();
+    }
 }
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.h
similarity index 87%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.h
index f6379745a..4a3411831 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileLanguageValue.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileLanguageValue.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileLanguageValue final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileNotes.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileNotes.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileNotes.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileNotes.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileNotes.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileNotes.h
similarity index 83%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileNotes.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileNotes.h
index e36d19c0f..3701b8c7b 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileNotes.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileNotes.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileNotes final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileReference.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileReference.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileReference.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileReference.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileReference.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileReference.h
similarity index 86%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileReference.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileReference.h
index c0d78402a..5c5266326 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileReference.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileReference.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileReference final : public LocalizeFileParser::sequence_t
 {
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileVersion.cpp b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileVersion.cpp
similarity index 100%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileVersion.cpp
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileVersion.cpp
diff --git a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileVersion.h b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileVersion.h
similarity index 85%
rename from src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileVersion.h
rename to src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileVersion.h
index a74fdae82..e1131a3c1 100644
--- a/src/ObjLoading/Parsing/LocalizeFile/Sequence/SequenceLocalizeFileVersion.h
+++ b/src/ObjLoading/Localize/Parsing/Sequence/SequenceLocalizeFileVersion.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Parsing/LocalizeFile/LocalizeFileParser.h"
+#include "Localize/Parsing/LocalizeFileParser.h"
 
 class SequenceLocalizeFileVersion final : public LocalizeFileParser::sequence_t
 {