diff --git a/src/game/Gen.cpp b/src/game/Gen.cpp
new file mode 100644
index 0000000..0e3de66
--- /dev/null
+++ b/src/game/Gen.cpp
@@ -0,0 +1,48 @@
+#include "Gen.h"
+
+namespace Generated
+{
+    bool IsValid(const ModelHandle& h)
+    {
+        return h.ModelIdx != UINT16_MAX && IsValid(h.Asset);
+    }
+    bool IsValid(const AssetHandle& h)
+    {
+        return h.Idx != UINT32_MAX;
+    }
+    bool operator==(const AssetHandle& lhs, const AssetHandle& rhs)
+    {
+        return lhs.Idx == rhs.Idx;
+    }
+    bool operator==(const ModelHandle& lhs, const ModelHandle& rhs)
+    {
+        if (!IsValid(lhs) || !IsValid(rhs)) return IsValid(lhs) == IsValid(rhs);
+        return lhs.ModelIdx == rhs.ModelIdx && lhs.Asset == rhs.Asset;
+    }
+    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X += rhs.X;
+        lhs.Y += rhs.Y;
+        return lhs;
+    }
+    PuzPos operator+(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+    PuzPos operator-=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X -= rhs.X;
+        lhs.Y -= rhs.Y;
+        return lhs;
+    }
+    PuzPos operator-(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+} // namespace Generated
diff --git a/src/game/Gen.h b/src/game/Gen.h
new file mode 100644
index 0000000..923f467
--- /dev/null
+++ b/src/game/Gen.h
@@ -0,0 +1,14 @@
+#pragma once
+#include "../gen/Generated.h"
+
+namespace Generated
+{
+    bool IsValid(const AssetHandle& h);
+    bool IsValid(const ModelHandle& h);
+
+    bool operator==(const AssetHandle& lhs, const AssetHandle& rhs);
+    bool operator==(const ModelHandle& lhs, const ModelHandle& rhs);
+
+    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs);
+    PuzPos operator+(PuzPos lhs, const PuzPos& rhs);
+} // namespace Generated
diff --git a/src/game/Instance.h b/src/game/Instance.h
index 1390636..c69cc22 100644
--- a/src/game/Instance.h
+++ b/src/game/Instance.h
@@ -45,7 +45,7 @@ namespace Game
         char ImguiIni[4096]{0};
         static constexpr uint32_t MaxAssets = 128;
         uint32_t AssetCount = 0;
-        uint32_t AssetHandles[MaxAssets]{0};
+        Generated::AssetHandle AssetHandles[MaxAssets]{0};
         char AssetHandlePaths[MaxAssets][128];
         bool ShowImguiDemo = false;
         uint8_t DebugCardRotation = 0;
diff --git a/src/game/Level.cpp b/src/game/Level.cpp
index bf76178..108bc9b 100644
--- a/src/game/Level.cpp
+++ b/src/game/Level.cpp
@@ -1,4 +1,5 @@
 #include "../gen/Def.h"
+#include "Gen.h"
 #include "Global.h"
 #include "Input.h"
 #include "Instance.h"
@@ -23,14 +24,14 @@ namespace Game
 {
     void EntityRenderData::Render(const Model* models, const Material* materials)
     {
-        if (ModelHandle == UINT16_MAX || MaterialHandle == UINT16_MAX) return;
+        if (!Generated::IsValid(ModelH) || MaterialHandle == UINT16_MAX) return;
         if (!Visible) return;
         auto& rendering = GameRendering::Get();
 
         Transform.UpdateMatrix();
         bgfx::setTransform(Transform.M.M);
 
-        const Model& currentModel = models[ModelHandle];
+        const Model& currentModel = models[ModelH.ModelIdx];
         const Material& currentMaterial = materials[MaterialHandle];
         bgfx::setVertexBuffer(0, currentModel.VertexBuffer);
         bgfx::setIndexBuffer(currentModel.IndexBuffer);
@@ -277,7 +278,7 @@ namespace Game
     void Cube::Setup()
     {
         EData.MaterialHandle = 0;
-        EData.ModelHandle = GameRendering::Get().GetModelHandleFromPath("models/cube.gltf");
+        EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/cube.gltf");
     }
 
     void Cube::Update()
@@ -300,7 +301,7 @@ namespace Game
     void TestEntity::Setup()
     {
         EData.MaterialHandle = 0;
-        EData.ModelHandle = GameRendering::Get().GetModelHandleFromPath("models/zurg.gltf");
+        EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/zurg.gltf");
 
         EData.Transform.Position = {0.0f, 0.0f, 0.0f};
     }
@@ -326,7 +327,7 @@ namespace Game
         Level& level = GetInstance().GameLevel;
         auto& staticCards = Puzzle::GetStaticPuzzleData().Cards;
 
-        for (int8_t y = 0; y < Data.WidthTiles / Puzzle::Config::CardSize; ++y)
+        for (int8_t y = 0; y < Data.HeightTiles / Puzzle::Config::CardSize; ++y)
         {
             for (int8_t x = 0; x < Data.WidthTiles / Puzzle::Config::CardSize; ++x)
             {
@@ -336,21 +337,24 @@ namespace Game
 
                 bool IsValid = Puzzle::IsValid(card.RefCard);
                 tile.EData.Visible = true;
-                quad.EData.Visible = IsValid;
+                quad.EData.Visible = true;
 
-                // const Generated::StaticPuzzleCard& cData = Puzzle::GetCard(card.RefCard);
-                tile.EData.ModelHandle =
-                    IsValid ? staticCards[card.RefCard.Idx].ModelHandle : staticCards[0].ModelHandle;
-                tile.EData.Transform.SetPosition({
+                tile.EData.ModelH = IsValid ? staticCards[card.RefCard.Idx].ModelHandle : staticCards[0].ModelHandle;
+                Vec3 cardPos = {
                     (float)card.Position.X * Puzzle::Config::CardScaleWorld,
                     -5.0f,
                     (float)card.Position.Y * Puzzle::Config::CardScaleWorld,
-                });
+                };
+                if (!IsValid)
+                {
+                    cardPos = {x * Puzzle::Config::CardScaleWorld, -5.0f, y * Puzzle::Config::CardScaleWorld};
+                }
+                tile.EData.Transform.SetPosition(cardPos);
                 bx::mtxRotateY(tile.EData.Transform.Rotation.M, card.Rotation * bx::kPi * 0.5f);
 
                 Vec3 fw = {0, -1, 0};
-                quad.EData.Transform.SetPosition({});
-                quad.EData.Transform.Rotation = camTransform.Rotation;
+                quad.EData.Transform.SetPosition(fw);
+                quad.EData.Transform.Rotation = {};
             }
         }
     }
diff --git a/src/game/Level.h b/src/game/Level.h
index fd822a1..fa1bb27 100644
--- a/src/game/Level.h
+++ b/src/game/Level.h
@@ -21,7 +21,7 @@ namespace Game
         Vec4 BaseColor{0.0f, 0.0f, 0.0f, 1.0f};
         Transform Transform;
         uint16_t MaterialHandle = UINT16_MAX;
-        uint16_t ModelHandle = UINT16_MAX;
+        Generated::ModelHandle ModelH;
         bool Visible = true;
 
         void Render(const Model* models, const Material* materials);
diff --git a/src/game/Mesh.cpp b/src/game/Mesh.cpp
index d93998b..23fc3a0 100644
--- a/src/game/Mesh.cpp
+++ b/src/game/Mesh.cpp
@@ -133,6 +133,7 @@ namespace Game
         }
         LOG("Found %u models!", modelFilePathCount);
 
+        auto& inst = GetInstance();
         int32_t writeI = 0;
         for (int32_t i = 0; i < modelFilePathCount; ++i)
         {
@@ -141,11 +142,11 @@ namespace Game
             Model& mod = models[writeI];
             if (LoadMesh(mod, fullPath.getCPtr(), modelFileIsBinary[i]))
             {
-                mod.AssetHandle = CrcPath(fullPath.getCPtr());
-                auto& inst = GetInstance();
+                mod.Handle.Asset.Idx = CrcPath(fullPath.getCPtr());
+                mod.Handle.ModelIdx = inst.DebugData.AssetCount;
                 if (inst.DebugData.AssetCount < inst.DebugData.MaxAssets)
                 {
-                    inst.DebugData.AssetHandles[inst.DebugData.AssetCount] = mod.AssetHandle;
+                    inst.DebugData.AssetHandles[inst.DebugData.AssetCount] = mod.Handle.Asset;
                     bx::strCopy(inst.DebugData.AssetHandlePaths[inst.DebugData.AssetCount],
                                 sizeof(inst.DebugData.AssetHandlePaths[inst.DebugData.AssetCount]),
                                 fullPath.getCPtr());
diff --git a/src/game/Puzzle.cpp b/src/game/Puzzle.cpp
index 8367d3d..9bae4a7 100644
--- a/src/game/Puzzle.cpp
+++ b/src/game/Puzzle.cpp
@@ -588,33 +588,3 @@ namespace Puzzle
         return isVisible;
     }
 } // namespace Puzzle
-
-namespace Generated
-{
-    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs.X += rhs.X;
-        lhs.Y += rhs.Y;
-        return lhs;
-    }
-    PuzPos operator+(PuzPos lhs, const PuzPos& rhs)
-    {
-        PuzPos res = lhs;
-        res.X += rhs.X;
-        res.Y += rhs.Y;
-        return res;
-    }
-    PuzPos operator-=(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs.X -= rhs.X;
-        lhs.Y -= rhs.Y;
-        return lhs;
-    }
-    PuzPos operator-(PuzPos lhs, const PuzPos& rhs)
-    {
-        PuzPos res = lhs;
-        res.X += rhs.X;
-        res.Y += rhs.Y;
-        return res;
-    }
-} // namespace Generated
diff --git a/src/game/Puzzle.h b/src/game/Puzzle.h
index ce4daf0..42fdb5f 100644
--- a/src/game/Puzzle.h
+++ b/src/game/Puzzle.h
@@ -2,7 +2,7 @@
 #include <cstdint>
 #include <imgui.h>
 
-#include "../../gen/Generated.h"
+#include "Gen.h"
 
 namespace Puzzle
 {
@@ -50,9 +50,3 @@ namespace Puzzle
     };
     bool RenderDebugUI(PuzzleData& obj);
 } // namespace Puzzle
-
-namespace Generated
-{
-    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs);
-    PuzPos operator+(PuzPos lhs, const PuzPos& rhs);
-} // namespace Generated
diff --git a/src/game/Tools.cpp b/src/game/Tools.cpp
index 35fbf30..cf00a77 100644
--- a/src/game/Tools.cpp
+++ b/src/game/Tools.cpp
@@ -1,14 +1,13 @@
 #include "Global.h"
 #include "Instance.h"
 #include "Tools.h"
-#include "bx/string.h"
 #include "rendering/Rendering.h"
 
 #include <imgui.h>
 
 namespace Tools
 {
-    const char* GetAssetPath(uint32_t assetHandle)
+    const char* GetAssetPath(Generated::AssetHandle assetHandle)
     {
         const auto& inst = Game::GetInstance();
         for (int32_t j = 0; j < inst.DebugData.AssetCount; ++j)
@@ -21,26 +20,17 @@ namespace Tools
         return "---";
     }
 
-    void ModelDropdown(uint32_t& modelHandle)
+    void ModelDropdown(Generated::ModelHandle& modelHandle)
     {
         auto& R = Game::GameRendering::Get();
-        const char* name = GetAssetPath(modelHandle);
-        int32_t idx = -1;
-        for (int32_t i = 0; i < R.ModelCount; ++i)
-        {
-            if (R.Models[i].AssetHandle == modelHandle)
-            {
-                idx = i;
-                break;
-            }
-        }
+        const char* name = GetAssetPath(modelHandle.Asset);
         if (ImGui::BeginCombo("Models", name))
         {
             for (int32_t i = 0; i < R.ModelCount; ++i)
             {
-                if (ImGui::Selectable(GetAssetPath(R.Models[i].AssetHandle), i == idx))
+                if (ImGui::Selectable(GetAssetPath(R.Models[i].Handle.Asset), i == modelHandle.ModelIdx))
                 {
-                    modelHandle = i;
+                    modelHandle = R.Models[i].Handle;
                 }
             }
             ImGui::EndCombo();
diff --git a/src/game/Tools.h b/src/game/Tools.h
index c2020ce..d17a012 100644
--- a/src/game/Tools.h
+++ b/src/game/Tools.h
@@ -1,7 +1,7 @@
 #pragma once
-#include <cstdint>
+#include "Gen.h"
 
 namespace Tools
 {
-    void ModelDropdown(uint32_t& modelHandle);
+    void ModelDropdown(Generated::ModelHandle& modelHandle);
 } // namespace Tools
diff --git a/src/game/data/puzzles/0.pzl b/src/game/data/puzzles/0.pzl
index ab1e767..2bb71ee 100644
--- a/src/game/data/puzzles/0.pzl
+++ b/src/game/data/puzzles/0.pzl
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b6c70072903838f61c24ad449706759d1e1b1820fc79b5499bb9b9d3e46a3cc3
-size 5816
+oid sha256:4947c3539ee4bef2783ae0632897b501b4eb3d5d248f23d8a7fe175d807cae89
+size 5820
diff --git a/src/game/data/static/puzzle.dat b/src/game/data/static/puzzle.dat
index 1af5799..c6e81e4 100644
Binary files a/src/game/data/static/puzzle.dat and b/src/game/data/static/puzzle.dat differ
diff --git a/src/game/mini.def b/src/game/mini.def
index 8358672..45f60c6 100644
--- a/src/game/mini.def
+++ b/src/game/mini.def
@@ -38,6 +38,17 @@ type Mat4
 	}")
 }
 
+type AssetHandle
+{
+	u32 Idx    Default("UINT32_MAX")
+}
+
+type ModelHandle
+{
+	u16 ModelIdx      Default("UINT16_MAX")
+	AssetHandle Asset
+}
+
 type PuzPos
 {
 	i8 X
@@ -59,7 +70,8 @@ enum PuzzleElementType(u8)
 type StaticPuzzleCard
 {
 	PuzzleElementType Elements     Arr(4)
-	u32               ModelHandle
+	ModelHandle       ModelHandle
+	
 }
 
 type StaticPuzzleCardHandle
diff --git a/src/game/rendering/Rendering.cpp b/src/game/rendering/Rendering.cpp
index e7553cf..c1d6ce3 100644
--- a/src/game/rendering/Rendering.cpp
+++ b/src/game/rendering/Rendering.cpp
@@ -731,17 +731,17 @@ namespace Game
         return mat;
     }
 
-    uint16_t GameRendering::GetModelHandleFromPath(const char* path)
+    Generated::ModelHandle GameRendering::GetModelHandleFromPath(const char* path)
     {
         uint32_t AssetHandle = CrcPath(path);
         for (int32_t i = 0; i < ModelCount; ++i)
         {
-            if (Models[i].AssetHandle == AssetHandle)
+            if (Models[i].Handle.Asset.Idx == AssetHandle)
             {
-                return i;
+                return Models[i].Handle;
             }
         }
-        return 0;
+        return {};
     }
 
 } // namespace Game
diff --git a/src/game/rendering/Rendering.h b/src/game/rendering/Rendering.h
index 199167e..39129bf 100644
--- a/src/game/rendering/Rendering.h
+++ b/src/game/rendering/Rendering.h
@@ -1,11 +1,12 @@
 #pragma once
 #include "bgfx/defines.h"
+#include "imgui.h"
 #include <bgfx/bgfx.h>
 #include <bx/string.h>
 #include <cstdint>
 
+#include "../Gen.h"
 #include "../Global.h"
-#include "imgui.h"
 
 union SDL_Event;
 
@@ -36,7 +37,7 @@ namespace Game
         bgfx::VertexBufferHandle VertexBuffer;
         bgfx::IndexBufferHandle IndexBuffer;
         bgfx::VertexLayout VertLayout;
-        uint32_t AssetHandle = UINT16_MAX;
+        Generated::ModelHandle Handle;
     };
 
     struct Material
@@ -118,6 +119,6 @@ namespace Game
         void HandleEvents();
         void RenderDebugUI();
         void Shutdown();
-        uint16_t GetModelHandleFromPath(const char* path);
+        Generated::ModelHandle GetModelHandleFromPath(const char* path);
     };
 } // namespace Game
diff --git a/src/gen/Generated.cpp b/src/gen/Generated.cpp
index f0cbbe4..c4d535f 100644
--- a/src/gen/Generated.cpp
+++ b/src/gen/Generated.cpp
@@ -1,4 +1,3 @@
-#include "Def.h"
 #include "Generated.h"
 
 namespace Generated
@@ -125,6 +124,44 @@ namespace Generated
         }
         return isOk;
     }
+    bool Save(const AssetHandle* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = Save(&obj[i].Idx, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Load(AssetHandle* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = Load(&obj[i].Idx, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Save(const ModelHandle* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = Save(&obj[i].ModelIdx, 1, serializer) && isOk;
+            isOk = Save(&obj[i].Asset, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Load(ModelHandle* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = Load(&obj[i].ModelIdx, 1, serializer) && isOk;
+            isOk = Load(&obj[i].Asset, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
     bool Save(const PuzPos* obj, uint32_t count, Serializer& serializer)
     {
         bool isOk = true;
diff --git a/src/gen/Generated.h b/src/gen/Generated.h
index ecd9b79..211707a 100644
--- a/src/gen/Generated.h
+++ b/src/gen/Generated.h
@@ -1,14 +1,12 @@
 #pragma once
-#include <cstdint>
+#include "Def.h"
 
 namespace Generated
 {
-    struct Serializer;
-    struct Deserializer;
     struct PuzzleElementType
     {
-        static constexpr int32_t EntryCount = 8;
         static constexpr uint32_t Hash = 2024002654;
+        static constexpr int32_t EntryCount = 8;
         enum Enum : int32_t
         {
             None,
@@ -94,6 +92,17 @@ namespace Generated
 	0.0f, 0.0f, 0.0f, 1.0f
 	};
     };
+    struct AssetHandle
+    {
+        static constexpr uint32_t Hash = 2609735487;
+        uint32_t Idx = UINT32_MAX;
+    };
+    struct ModelHandle
+    {
+        static constexpr uint32_t Hash = 298089627;
+        uint16_t ModelIdx = UINT16_MAX;
+        AssetHandle Asset = {};
+    };
     struct PuzPos
     {
         static constexpr uint32_t Hash = 1834398141;
@@ -102,9 +111,9 @@ namespace Generated
     };
     struct StaticPuzzleCard
     {
-        static constexpr uint32_t Hash = 1414289929;
+        static constexpr uint32_t Hash = 2851442461;
         PuzzleElementType::Enum Elements[4] = {};
-        uint32_t ModelHandle = {};
+        ModelHandle ModelHandle = {};
     };
     struct StaticPuzzleCardHandle
     {
@@ -113,7 +122,7 @@ namespace Generated
     };
     struct StaticPuzzleData
     {
-        static constexpr uint32_t Hash = 84985581;
+        static constexpr uint32_t Hash = 4204694691;
         StaticPuzzleCard Cards[64] = {};
     };
     struct PuzzleCardStack
@@ -157,6 +166,10 @@ namespace Generated
     bool Load(Mat3* obj, uint32_t count, Deserializer& serializer);
     bool Save(const Mat4* obj, uint32_t count, Serializer& serializer);
     bool Load(Mat4* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const AssetHandle* obj, uint32_t count, Serializer& serializer);
+    bool Load(AssetHandle* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const ModelHandle* obj, uint32_t count, Serializer& serializer);
+    bool Load(ModelHandle* obj, uint32_t count, Deserializer& serializer);
     bool Save(const PuzPos* obj, uint32_t count, Serializer& serializer);
     bool Load(PuzPos* obj, uint32_t count, Deserializer& serializer);
     bool Save(const StaticPuzzleCard* obj, uint32_t count, Serializer& serializer);