diff --git a/src/ZoneCode.lua b/src/ZoneCode.lua
index bb933222..86d66855 100644
--- a/src/ZoneCode.lua
+++ b/src/ZoneCode.lua
@@ -34,7 +34,7 @@ ZoneCode.Assets = {
         "RawFile",
         "StringTable",
         "LeaderboardDef",
-        -- "StructuredDataDefSet",
+        "StructuredDataDefSet",
         "TracerDef",
         -- "VehicleDef",
         -- "AddonMapEnts"
diff --git a/src/ZoneCode/Game/IW4/IW4_Commands.txt b/src/ZoneCode/Game/IW4/IW4_Commands.txt
index 397df02a..d94eb612 100644
--- a/src/ZoneCode/Game/IW4/IW4_Commands.txt
+++ b/src/ZoneCode/Game/IW4/IW4_Commands.txt
@@ -34,7 +34,7 @@ asset FxImpactTable ASSET_TYPE_IMPACT_FX;
 asset RawFile ASSET_TYPE_RAWFILE;
 asset StringTable ASSET_TYPE_STRINGTABLE;
 asset LeaderboardDef ASSET_TYPE_LEADERBOARD;
-// asset StructuredDataDefSet ASSET_TYPE_STRUCTURED_DATA_DEF;
+asset StructuredDataDefSet ASSET_TYPE_STRUCTURED_DATA_DEF;
 asset TracerDef ASSET_TYPE_TRACER;
 // asset VehicleDef ASSET_TYPE_VEHICLE;
 // asset AddonMapEnts ASSET_TYPE_ADDON_MAP_ENTS;
@@ -665,6 +665,33 @@ use LbColumnDef;
 set string name;
 set string statName;
 
+// =========================================
+// StructuredDataDefSet
+// =========================================
+use StructuredDataDefSet;
+set string name;
+set name name;
+set count defs defCount;
+
+// StructuredDataDef
+use StructuredDataDef;
+set count enums enumCount;
+set count structs structCount;
+set count indexedArrays indexedArrayCount;
+set count enumedArrays enumedArrayCount;
+
+// StructuredDataEnum
+set count StructuredDataEnum::entries entryCount;
+
+// StructuredDataEnumEntry
+set string StructuredDataEnumEntry::string;
+
+// StructuredDataStruct
+set count StructuredDataStruct::properties propertyCount;
+
+// StructuredDataStructProperty
+set string StructuredDataStructProperty::name;
+
 // =========================================
 // TracerDef
 // =========================================
diff --git a/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.cpp b/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.cpp
index d4485e7d..11a2616a 100644
--- a/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.cpp
+++ b/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.cpp
@@ -135,7 +135,7 @@ GameAssetPoolIW4::GameAssetPoolIW4(const int priority)
     m_raw_file = nullptr;
     m_string_table = nullptr;
     m_leaderboard = nullptr;
-    // m_structed_data_def_set = nullptr;
+    m_structed_data_def_set = nullptr;
     m_tracer = nullptr;
     // m_vehicle = nullptr;
     // m_addon_map_ents = nullptr;
@@ -188,7 +188,7 @@ void GameAssetPoolIW4::InitPoolStatic(const asset_type_t type, const size_t capa
     CASE_INIT_POOL_STATIC(ASSET_TYPE_RAWFILE, m_raw_file, RawFile);
     CASE_INIT_POOL_STATIC(ASSET_TYPE_STRINGTABLE, m_string_table, StringTable);
     CASE_INIT_POOL_STATIC(ASSET_TYPE_LEADERBOARD, m_leaderboard, LeaderboardDef);
-        // CASE_INIT_POOL_STATIC(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, StructuredDataDefSet);
+    CASE_INIT_POOL_STATIC(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, StructuredDataDefSet);
     CASE_INIT_POOL_STATIC(ASSET_TYPE_TRACER, m_tracer, TracerDef);
         // CASE_INIT_POOL_STATIC(ASSET_TYPE_VEHICLE, m_vehicle, VehicleDef);
         // CASE_INIT_POOL_STATIC(ASSET_TYPE_ADDON_MAP_ENTS, m_addon_map_ents, AddonMapEnts);
@@ -248,7 +248,7 @@ void GameAssetPoolIW4::InitPoolDynamic(const asset_type_t type)
     CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_RAWFILE, m_raw_file, RawFile);
     CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_STRINGTABLE, m_string_table, StringTable);
     CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_LEADERBOARD, m_leaderboard, LeaderboardDef);
-        // CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, StructuredDataDefSet);
+    CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, StructuredDataDefSet);
     CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_TRACER, m_tracer, TracerDef);
         // CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_VEHICLE, m_vehicle, VehicleDef);
         // CASE_INIT_POOL_DYNAMIC(ASSET_TYPE_ADDON_MAP_ENTS, m_addon_map_ents, AddonMapEnts);
@@ -317,7 +317,7 @@ XAssetInfoGeneric* GameAssetPoolIW4::AddAsset(asset_type_t type, std::string nam
     CASE_ADD_TO_POOL(ASSET_TYPE_RAWFILE, m_raw_file, rawfile);
     CASE_ADD_TO_POOL(ASSET_TYPE_STRINGTABLE, m_string_table, stringTable);
     CASE_ADD_TO_POOL(ASSET_TYPE_LEADERBOARD, m_leaderboard, leaderboardDef);
-        // CASE_ADD_TO_POOL(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, structuredDataDefSet);
+    CASE_ADD_TO_POOL(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set, structuredDataDefSet);
     CASE_ADD_TO_POOL(ASSET_TYPE_TRACER, m_tracer, tracerDef);
         // CASE_ADD_TO_POOL(ASSET_TYPE_VEHICLE, m_vehicle, vehDef);
         // CASE_ADD_TO_POOL(ASSET_TYPE_ADDON_MAP_ENTS, m_addon_map_ents, addonMapEnts);
@@ -377,7 +377,7 @@ XAssetInfoGeneric* GameAssetPoolIW4::GetAsset(const asset_type_t type, std::stri
     CASE_GET_ASSET(ASSET_TYPE_RAWFILE, m_raw_file);
     CASE_GET_ASSET(ASSET_TYPE_STRINGTABLE, m_string_table);
     CASE_GET_ASSET(ASSET_TYPE_LEADERBOARD, m_leaderboard);
-        // CASE_GET_ASSET(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set);
+    CASE_GET_ASSET(ASSET_TYPE_STRUCTURED_DATA_DEF, m_structed_data_def_set);
     CASE_GET_ASSET(ASSET_TYPE_TRACER, m_tracer);
         // CASE_GET_ASSET(ASSET_TYPE_VEHICLE, m_vehicle);
         // CASE_GET_ASSET(ASSET_TYPE_ADDON_MAP_ENTS, m_addon_map_ents);
diff --git a/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.h b/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.h
index e0b2d3b8..87b8eafc 100644
--- a/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.h
+++ b/src/ZoneCommon/Game/IW4/GameAssetPoolIW4.h
@@ -47,7 +47,7 @@ public:
     std::unique_ptr<AssetPool<IW4::RawFile>> m_raw_file;
     std::unique_ptr<AssetPool<IW4::StringTable>> m_string_table;
     std::unique_ptr<AssetPool<IW4::LeaderboardDef>> m_leaderboard;
-    // std::unique_ptr<AssetPool<IW4::StructuredDataDefSet>> m_structed_data_def_set;
+    std::unique_ptr<AssetPool<IW4::StructuredDataDefSet>> m_structed_data_def_set;
     std::unique_ptr<AssetPool<IW4::TracerDef>> m_tracer;
     // std::unique_ptr<AssetPool<IW4::VehicleDef>> m_vehicle;
     // std::unique_ptr<AssetPool<IW4::AddonMapEnts>> m_addon_map_ents;
diff --git a/src/ZoneCommon/Game/IW4/IW4_Assets.h b/src/ZoneCommon/Game/IW4/IW4_Assets.h
index 41c7a8f6..733a2a86 100644
--- a/src/ZoneCommon/Game/IW4/IW4_Assets.h
+++ b/src/ZoneCommon/Game/IW4/IW4_Assets.h
@@ -106,7 +106,7 @@ namespace IW4
     struct RawFile;
     struct StringTable;
     struct LeaderboardDef;
-    // struct StructuredDataDefSet;
+    struct StructuredDataDefSet;
     struct TracerDef;
     // struct VehicleDef;
     // struct AddonMapEnts;
@@ -146,7 +146,7 @@ namespace IW4
         RawFile* rawfile;
         StringTable* stringTable;
         LeaderboardDef* leaderboardDef;
-        // StructuredDataDefSet* structuredDataDefSet;
+        StructuredDataDefSet* structuredDataDefSet;
         TracerDef* tracerDef;
         // VehicleDef* vehDef;
         // AddonMapEnts* addonMapEnts;
@@ -1693,6 +1693,101 @@ namespace IW4
         float colors[5][4];
     };
 
+    enum StructuredDataTypeCategory
+    {
+        DATA_INT = 0x0,
+        DATA_BYTE = 0x1,
+        DATA_BOOL = 0x2,
+        DATA_STRING = 0x3,
+        DATA_ENUM = 0x4,
+        DATA_STRUCT = 0x5,
+        DATA_INDEXED_ARRAY = 0x6,
+        DATA_ENUM_ARRAY = 0x7,
+        DATA_FLOAT = 0x8,
+        DATA_SHORT = 0x9,
+        DATA_COUNT = 0xA,
+    };
+
+    struct __declspec(align(4)) StructuredDataEnumEntry
+    {
+        const char* string;
+        unsigned __int16 index;
+    };
+
+    struct StructuredDataEnum
+    {
+        int entryCount;
+        int reservedEntryCount;
+        StructuredDataEnumEntry* entries;
+    };
+
+    union StructuredDataTypeUnion
+    {
+        unsigned int stringDataLength;
+        int enumIndex;
+        int structIndex;
+        int indexedArrayIndex;
+        int enumedArrayIndex;
+    };
+
+    struct StructuredDataType
+    {
+        StructuredDataTypeCategory type;
+        StructuredDataTypeUnion u;
+    };
+
+    struct StructuredDataStructProperty
+    {
+        const char* name;
+        StructuredDataType type;
+        unsigned int offset;
+    };
+
+    struct StructuredDataStruct
+    {
+        int propertyCount;
+        StructuredDataStructProperty* properties;
+        int size;
+        unsigned int bitOffset;
+    };
+
+    struct StructuredDataIndexedArray
+    {
+        int arraySize;
+        StructuredDataType elementType;
+        unsigned int elementSize;
+    };
+
+    struct StructuredDataEnumedArray
+    {
+        int enumIndex;
+        StructuredDataType elementType;
+        unsigned int elementSize;
+    };
+
+    struct StructuredDataDef
+    {
+        int version;
+        unsigned int formatChecksum;
+        int enumCount;
+        StructuredDataEnum* enums;
+        int structCount;
+        StructuredDataStruct* structs;
+        int indexedArrayCount;
+        StructuredDataIndexedArray* indexedArrays;
+        int enumedArrayCount;
+        StructuredDataEnumedArray* enumedArrays;
+        StructuredDataType rootType;
+        unsigned int size;
+    };
+
+    struct StructuredDataDefSet
+    {
+        const char* name;
+        unsigned int defCount;
+        StructuredDataDef* defs;
+    };
+
 #ifndef __zonecodegenerator
 }
 #endif
diff --git a/src/ZoneLoading/Game/IW4/ContentLoaderIW4.cpp b/src/ZoneLoading/Game/IW4/ContentLoaderIW4.cpp
index 9aaee703..6cd9cdfc 100644
--- a/src/ZoneLoading/Game/IW4/ContentLoaderIW4.cpp
+++ b/src/ZoneLoading/Game/IW4/ContentLoaderIW4.cpp
@@ -34,7 +34,7 @@
 #include "Game/IW4/XAssets/sndcurve/sndcurve_load_db.h"
 //#include "Game/IW4/XAssets/snddriverglobals/snddriverglobals_load_db.h"
 #include "Game/IW4/XAssets/stringtable/stringtable_load_db.h"
-//#include "Game/IW4/XAssets/structureddatadefset/structureddatadefset_load_db.h"
+#include "Game/IW4/XAssets/structureddatadefset/structureddatadefset_load_db.h"
 #include "Game/IW4/XAssets/tracerdef/tracerdef_load_db.h"
 //#include "Game/IW4/XAssets/vehicledef/vehicledef_load_db.h"
 //#include "Game/IW4/XAssets/weaponcompletedef/weaponcompletedef_load_db.h"
@@ -136,8 +136,8 @@ void ContentLoaderIW4::LoadXAsset(const bool atStreamStart)
     LOAD_ASSET(ASSET_TYPE_RAWFILE, RawFile, rawfile);
     LOAD_ASSET(ASSET_TYPE_STRINGTABLE, StringTable, stringTable);
     LOAD_ASSET(ASSET_TYPE_LEADERBOARD, LeaderboardDef, leaderboardDef);
-        // LOAD_ASSET(ASSET_TYPE_STRUCTURED_DATA_DEF, StructuredDataDefSet, structuredDataDefSet);
-        LOAD_ASSET(ASSET_TYPE_TRACER, TracerDef, tracerDef);
+    LOAD_ASSET(ASSET_TYPE_STRUCTURED_DATA_DEF, StructuredDataDefSet, structuredDataDefSet);
+    LOAD_ASSET(ASSET_TYPE_TRACER, TracerDef, tracerDef);
         // LOAD_ASSET(ASSET_TYPE_VEHICLE, VehicleDef, vehDef);
         // LOAD_ASSET(ASSET_TYPE_ADDON_MAP_ENTS, AddonMapEnts, addonMapEnts);