diff --git a/deps/json11 b/deps/json11
index df1fdbfd..a20878aa 160000
--- a/deps/json11
+++ b/deps/json11
@@ -1 +1 @@
-Subproject commit df1fdbfd7951a33ae376eade9ec67046cf50fb19
+Subproject commit a20878aaa5bd2546466585b18b6d09808a98233d
diff --git a/deps/protobuf b/deps/protobuf
index dc497068..cc5296b8 160000
--- a/deps/protobuf
+++ b/deps/protobuf
@@ -1 +1 @@
-Subproject commit dc4970684ab8b76795cfb2a1e6bdbf54b79848f2
+Subproject commit cc5296b8692beff00285505dd7062c7d5bcb325a
diff --git a/src/Components/Modules/AssetHandler.cpp b/src/Components/Modules/AssetHandler.cpp
index 953a8c12..ced1744c 100644
--- a/src/Components/Modules/AssetHandler.cpp
+++ b/src/Components/Modules/AssetHandler.cpp
@@ -252,6 +252,7 @@ namespace Components
 
 		// Register asset interfaces
 		AssetHandler::RegisterInterface(new Assets::IXModel());
+		AssetHandler::RegisterInterface(new Assets::IMapEnts());
 		AssetHandler::RegisterInterface(new Assets::IRawFile());
 		AssetHandler::RegisterInterface(new Assets::IGfxImage());
 		AssetHandler::RegisterInterface(new Assets::IMaterial());
diff --git a/src/Components/Modules/AssetHandler.hpp b/src/Components/Modules/AssetHandler.hpp
index 3be2d78c..ca2ab82a 100644
--- a/src/Components/Modules/AssetHandler.hpp
+++ b/src/Components/Modules/AssetHandler.hpp
@@ -57,6 +57,7 @@ namespace Components
 }
 
 #include "AssetInterfaces\IXModel.hpp"
+#include "AssetInterfaces\IMapEnts.hpp"
 #include "AssetInterfaces\IRawFile.hpp"
 #include "AssetInterfaces\IGfxImage.hpp"
 #include "AssetInterfaces\IMaterial.hpp"
diff --git a/src/Components/Modules/AssetInterfaces/IMapEnts.cpp b/src/Components/Modules/AssetInterfaces/IMapEnts.cpp
new file mode 100644
index 00000000..bf1f46fa
--- /dev/null
+++ b/src/Components/Modules/AssetInterfaces/IMapEnts.cpp
@@ -0,0 +1,99 @@
+#include <STDInclude.hpp>
+
+namespace Assets
+{
+	void IMapEnts::Load(Game::XAssetHeader* header, std::string name, Components::ZoneBuilder::Zone* builder)
+	{
+		Components::FileSystem::File ents(name + ".ents");
+		if (ents.Exists())
+		{
+			Game::MapEnts* entites = builder->GetAllocator()->AllocateArray<Game::MapEnts>();
+			Game::MapEnts* orgEnts = Components::AssetHandler::FindOriginalAsset(this->GetType(), name.data()).mapEnts;
+
+			if (orgEnts)
+			{
+				memcpy(entites, orgEnts, sizeof Game::MapEnts);
+			}
+			else
+			{
+				entites->name = builder->GetAllocator()->DuplicateString(name);
+			}
+
+			entites->entityString = builder->GetAllocator()->DuplicateString(ents.GetBuffer());
+			entites->numEntityChars = ents.GetBuffer().size() + 1;
+
+			header->mapEnts = entites;
+		}
+	}
+
+	void IMapEnts::Save(Game::XAssetHeader header, Components::ZoneBuilder::Zone* builder)
+	{
+		Assert_Size(Game::MapEnts, 44);
+
+		Utils::Stream* buffer = builder->GetBuffer();
+		Game::MapEnts* asset = header.mapEnts;
+		Game::MapEnts* dest = buffer->Dest<Game::MapEnts>();
+		buffer->Save(asset, sizeof(Game::MapEnts));
+
+		buffer->PushBlock(Game::XFILE_BLOCK_VIRTUAL);
+
+		if (asset->name)
+		{
+			buffer->SaveString(builder->GetAssetName(this->GetType(), asset->name));
+			dest->name = reinterpret_cast<char*>(-1);
+		}
+
+		if (asset->entityString)
+		{
+			buffer->Save(asset->entityString, asset->numEntityChars);
+			dest->entityString = reinterpret_cast<char*>(-1);
+		}
+
+		if (asset->trigger.models)
+		{
+			Assert_Size(Game::TriggerModel, 8);
+			buffer->Align(Utils::Stream::ALIGN_4);
+			buffer->SaveArray(asset->trigger.models, asset->trigger.modelCount);
+			dest->trigger.models = reinterpret_cast<Game::TriggerModel*>(-1);
+		}
+
+		if (asset->trigger.hulls)
+		{
+			Assert_Size(Game::TriggerHull, 32);
+			buffer->Align(Utils::Stream::ALIGN_4);
+			buffer->SaveArray(asset->trigger.hulls, asset->trigger.hullCount);
+			dest->trigger.hulls = reinterpret_cast<Game::TriggerHull*>(-1);
+		}
+
+		if (asset->trigger.slabs)
+		{
+			Assert_Size(Game::TriggerSlab, 20);
+			buffer->Align(Utils::Stream::ALIGN_4);
+			buffer->SaveArray(asset->trigger.slabs, asset->trigger.slabCount);
+			dest->trigger.slabs = reinterpret_cast<Game::TriggerSlab*>(-1);
+		}
+
+		if (asset->stages)
+		{
+			Assert_Size(Game::Stage, 20);
+
+			buffer->Align(Utils::Stream::ALIGN_4);
+
+			Game::Stage* destStages = buffer->Dest<Game::Stage>();
+			buffer->SaveArray(asset->stages, asset->stageCount);
+
+			for (int i = 0; i < asset->stageCount; ++i)
+			{
+				Game::Stage* destStage = &destStages[i];
+				Game::Stage* stage = &asset->stages[i];
+
+				buffer->SaveString(stage->stageName);
+				destStage->stageName = reinterpret_cast<char*>(-1);
+			}
+
+			dest->stages = reinterpret_cast<Game::Stage*>(-1);
+		}
+
+		buffer->PopBlock();
+	}
+}
diff --git a/src/Components/Modules/AssetInterfaces/IMapEnts.hpp b/src/Components/Modules/AssetInterfaces/IMapEnts.hpp
new file mode 100644
index 00000000..1e580497
--- /dev/null
+++ b/src/Components/Modules/AssetInterfaces/IMapEnts.hpp
@@ -0,0 +1,11 @@
+namespace Assets
+{
+	class IMapEnts : public Components::AssetHandler::IAsset
+	{
+	public:
+		virtual Game::XAssetType GetType() override { return Game::XAssetType::ASSET_TYPE_MAP_ENTS; };
+
+		virtual void Save(Game::XAssetHeader header, Components::ZoneBuilder::Zone* builder) override;
+		virtual void Load(Game::XAssetHeader* header, std::string name, Components::ZoneBuilder::Zone* builder) override;
+	};
+}
\ No newline at end of file
diff --git a/src/Components/Modules/Maps.cpp b/src/Components/Modules/Maps.cpp
index 8f9b3faa..2d34c81f 100644
--- a/src/Components/Modules/Maps.cpp
+++ b/src/Components/Modules/Maps.cpp
@@ -61,6 +61,12 @@ namespace Components
 			}
 		}
 
+		if (type == Game::XAssetType::ASSET_TYPE_ADDON_MAP_ENTS)
+		{
+			*restrict = true;
+			return;
+		}
+
 		if (type == Game::XAssetType::ASSET_TYPE_MAP_ENTS)
 		{
 			static std::string mapEntities;
@@ -69,7 +75,7 @@ namespace Components
 			{
 				mapEntities = ents.GetBuffer();
 				asset.mapEnts->entityString = const_cast<char*>(mapEntities.data());
-				asset.mapEnts->numEntityChars = mapEntities.size();
+				asset.mapEnts->numEntityChars = mapEntities.size() + 1;
 			}
 		}
 	}