diff --git a/ROADMAP.txt b/ROADMAP.txt
index 91b185b..5bda416 100644
--- a/ROADMAP.txt
+++ b/ROADMAP.txt
@@ -22,10 +22,10 @@ because Mesh rendering uses only core.render()
 
 ------------ Github issues for Tyra v2 ------------
 - [Demo] porzadek z konstruktorami bbox
+- [General] smart pointers and std::array instead of raw pointers
 - [renderer] fog
 - [General] CI in Github via docker image
 - [renderer] bbox parts optimization
-- [General] smart pointers and std::array instead of raw pointers
 - [md2] refactor
 - [2D] Add zbuffer support (z-index)
 - [3DUtility] Add zbuffer support (z-index)
diff --git a/engine/inc/loaders/3d/obj_loader/obj_loader.hpp b/engine/inc/loaders/3d/obj_loader/obj_loader.hpp
index 7ae333a..febef5d 100644
--- a/engine/inc/loaders/3d/obj_loader/obj_loader.hpp
+++ b/engine/inc/loaders/3d/obj_loader/obj_loader.hpp
@@ -15,6 +15,7 @@
 #include <string>
 #include "renderer/models/color.hpp"
 #include "loaders/3d/obj_loader/tiny_obj_loader.hpp"
+#include <memory.h>
 
 namespace Tyra {
 
@@ -40,11 +41,12 @@ class ObjLoader : public Loader {
   ObjLoader();
   ~ObjLoader();
 
-  MeshBuilderData* load(const char* fullpath);
-  MeshBuilderData* load(const char* fullpath, const ObjLoaderOptions& options);
-  MeshBuilderData* load(const std::string& fullpath);
-  MeshBuilderData* load(const std::string& fullpath,
-                        const ObjLoaderOptions& options);
+  std::unique_ptr<MeshBuilderData> load(const char* fullpath);
+  std::unique_ptr<MeshBuilderData> load(const char* fullpath,
+                                        const ObjLoaderOptions& options);
+  std::unique_ptr<MeshBuilderData> load(const std::string& fullpath);
+  std::unique_ptr<MeshBuilderData> load(const std::string& fullpath,
+                                        const ObjLoaderOptions& options);
 
  private:
   void addOutputMaterialsAndFrames(
diff --git a/engine/inc/renderer/3d/mesh/dynamic/dynamic_mesh.hpp b/engine/inc/renderer/3d/mesh/dynamic/dynamic_mesh.hpp
index 16cf9bf..4fb994d 100644
--- a/engine/inc/renderer/3d/mesh/dynamic/dynamic_mesh.hpp
+++ b/engine/inc/renderer/3d/mesh/dynamic/dynamic_mesh.hpp
@@ -18,8 +18,8 @@ namespace Tyra {
 
 class DynamicMesh : public Mesh {
  public:
-  explicit DynamicMesh(const MeshBuilderData& data);
-  explicit DynamicMesh(const DynamicMesh& mesh);
+  explicit DynamicMesh(const MeshBuilderData* data);
+  DynamicMesh(const DynamicMesh& mesh);
   ~DynamicMesh();
 
   std::vector<MeshFrame*> frames;
diff --git a/engine/inc/renderer/3d/mesh/mesh.hpp b/engine/inc/renderer/3d/mesh/mesh.hpp
index 7d6b0f1..afb293f 100644
--- a/engine/inc/renderer/3d/mesh/mesh.hpp
+++ b/engine/inc/renderer/3d/mesh/mesh.hpp
@@ -19,8 +19,8 @@ namespace Tyra {
 
 class Mesh {
  public:
-  explicit Mesh(const MeshBuilderData& data);
-  explicit Mesh(const Mesh& mesh);
+  explicit Mesh(const MeshBuilderData* data);
+  Mesh(const Mesh& mesh);
   ~Mesh();
 
   u8 isMother;
diff --git a/engine/inc/renderer/3d/mesh/static/static_mesh.hpp b/engine/inc/renderer/3d/mesh/static/static_mesh.hpp
index a712b88..d991f29 100644
--- a/engine/inc/renderer/3d/mesh/static/static_mesh.hpp
+++ b/engine/inc/renderer/3d/mesh/static/static_mesh.hpp
@@ -18,7 +18,7 @@ namespace Tyra {
 
 class StaticMesh : public Mesh {
  public:
-  StaticMesh(const MeshBuilderData& data);
+  explicit StaticMesh(const MeshBuilderData* data);
   StaticMesh(const StaticMesh& mesh);
   ~StaticMesh();
 
diff --git a/engine/inc/renderer/core/texture/texture_repository.hpp b/engine/inc/renderer/core/texture/texture_repository.hpp
index 09c10fb..519b3cc 100644
--- a/engine/inc/renderer/core/texture/texture_repository.hpp
+++ b/engine/inc/renderer/core/texture/texture_repository.hpp
@@ -15,6 +15,7 @@
 #include <vector>
 #include "./models/texture.hpp"
 #include "renderer/3d/mesh/mesh.hpp"
+#include "renderer/core/2d/sprite/sprite.hpp"
 #include "loaders/texture/base/texture_loader_selector.hpp"
 #include <string>
 
@@ -32,11 +33,14 @@ class TextureRepository {
   /**
    * Returns single texture.
    * nullptr if not found.
-   * @param t_id
-   * For 3D: MeshMaterial id.
-   * For 2D: Sprite id.
    */
-  Texture* getBySpriteOrMesh(const u32& t_id) const;
+  Texture* getBySpriteId(const u32& t_id) const;
+
+  /**
+   * Returns single texture.
+   * nullptr if not found.
+   */
+  Texture* getByMeshMaterialId(const u32& t_id) const;
 
   /**
    * Returns single texture.
@@ -50,14 +54,6 @@ class TextureRepository {
    */
   const s32 getIndexOf(const u32& t_texId) const;
 
-  // ----
-  //  Setters
-  // ----
-
-  // ----
-  //  Other
-  // ----
-
   /**
    * Add unlinked texture.
    * @param fullpath Full path to texture file. Example: "host:texture.png"
@@ -81,37 +77,38 @@ class TextureRepository {
   /**
    * Add linked textures in given path for mesh material names.
    */
-  void addByMesh(Mesh* mesh, const char* directory, const char* extension);
+  void addByMesh(const Mesh* mesh, const char* directory,
+                 const char* extension);
 
   /**
    * Add linked textures in given path for mesh material names.
    */
-  inline void addByMesh(Mesh* mesh, const std::string& directory,
+  inline void addByMesh(const Mesh* mesh, const std::string& directory,
                         const char* extension) {
     addByMesh(mesh, directory.c_str(), extension);
   }
 
   /**
    * Remove texture from repository.
-   * Texture is NOT destructed.
+   * Texture IS destructed.
    */
-  void removeByIndex(const u32& t_index);
+  void free(const u32& texId);
+  void free(const Texture* tex);
+  void free(const Texture& tex);
+  void freeBySprite(const Sprite& sprite);
+  void freeByMesh(const Mesh& mesh);
+  void freeByMesh(const Mesh* mesh);
 
   /**
    * Remove texture from repository.
    * Texture is NOT destructed.
+   * Not recommended.
    */
   void removeById(const u32& t_texId);
 
-  /**
-   * Remove texture from repository.
-   * Texture IS destructed.
-   */
-  void free(const u32& t_texId);
-  void free(const Texture* t_tex);
-  void free(const Texture& t_tex);
-
  private:
+  void removeByIndex(const u32& t_index);
+
   std::vector<Texture*> textures;
   TextureLoaderSelector texLoaderSelector;
 };
diff --git a/engine/src/loaders/3d/obj_loader/obj_loader.cpp b/engine/src/loaders/3d/obj_loader/obj_loader.cpp
index c2e4ac7..f7f2346 100644
--- a/engine/src/loaders/3d/obj_loader/obj_loader.cpp
+++ b/engine/src/loaders/3d/obj_loader/obj_loader.cpp
@@ -28,21 +28,21 @@ ObjLoader::ObjLoader() {}
 
 ObjLoader::~ObjLoader() {}
 
-MeshBuilderData* ObjLoader::load(const char* fullpath) {
+std::unique_ptr<MeshBuilderData> ObjLoader::load(const char* fullpath) {
   return load(fullpath, ObjLoaderOptions());
 }
 
-MeshBuilderData* ObjLoader::load(const std::string& fullpath) {
+std::unique_ptr<MeshBuilderData> ObjLoader::load(const std::string& fullpath) {
   return load(fullpath.c_str(), ObjLoaderOptions());
 }
 
-MeshBuilderData* ObjLoader::load(const std::string& fullpath,
-                                 const ObjLoaderOptions& options) {
+std::unique_ptr<MeshBuilderData> ObjLoader::load(
+    const std::string& fullpath, const ObjLoaderOptions& options) {
   return load(fullpath.c_str(), options);
 }
 
-MeshBuilderData* ObjLoader::load(const char* fullpath,
-                                 const ObjLoaderOptions& options) {
+std::unique_ptr<MeshBuilderData> ObjLoader::load(
+    const char* fullpath, const ObjLoaderOptions& options) {
   std::string path = fullpath;
   std::string basePath = getPathFromFilename(path);
 
@@ -50,8 +50,7 @@ MeshBuilderData* ObjLoader::load(const char* fullpath,
 
   auto rawFilename = getFilenameWithoutExtension(path);
   auto extension = getExtensionOfFilename(path);
-
-  auto* result = new MeshBuilderData();
+  auto result = std::make_unique<MeshBuilderData>();
 
   tinyobj::ObjReaderConfig readerConfig;
   readerConfig.triangulate = options.animation.count == 1;
@@ -93,11 +92,11 @@ MeshBuilderData* ObjLoader::load(const char* fullpath,
 
     if (i == 1) {
       auto scanResult = scan(shapes, materials);
-      addOutputMaterialsAndFrames(result, attrib, shapes, materials,
+      addOutputMaterialsAndFrames(result.get(), attrib, shapes, materials,
                                   options.animation.count, scanResult);
     }
 
-    importFrame(result, attrib, shapes, materials, i - 1, options.scale,
+    importFrame(result.get(), attrib, shapes, materials, i - 1, options.scale,
                 options.flipUVs, options.animation.count);
   }
 
diff --git a/engine/src/renderer/2d/renderer_2d.cpp b/engine/src/renderer/2d/renderer_2d.cpp
index eba4861..c65c946 100644
--- a/engine/src/renderer/2d/renderer_2d.cpp
+++ b/engine/src/renderer/2d/renderer_2d.cpp
@@ -20,7 +20,7 @@ void Renderer2D::init(RendererCore* t_rendererCore) { core = t_rendererCore; }
 void Renderer2D::render(const Sprite* sprite) { render(*sprite); }
 
 void Renderer2D::render(const Sprite& sprite) {
-  auto* texture = core->texture.repository.getBySpriteOrMesh(sprite.id);
+  auto* texture = core->texture.repository.getBySpriteId(sprite.id);
 
   TYRA_ASSERT(
       texture, "Texture for sprite with id: ", sprite.id,
diff --git a/engine/src/renderer/3d/mesh/dynamic/dynamic_mesh.cpp b/engine/src/renderer/3d/mesh/dynamic/dynamic_mesh.cpp
index 1817d9d..c4a16e1 100644
--- a/engine/src/renderer/3d/mesh/dynamic/dynamic_mesh.cpp
+++ b/engine/src/renderer/3d/mesh/dynamic/dynamic_mesh.cpp
@@ -15,15 +15,15 @@
 
 namespace Tyra {
 
-DynamicMesh::DynamicMesh(const MeshBuilderData& data) : Mesh(data) {
-  if (data.materials[0]->frames.size() == 1) {
+DynamicMesh::DynamicMesh(const MeshBuilderData* data) : Mesh(data) {
+  if (data->materials[0]->frames.size() == 1) {
     TYRA_WARN(
         "Frames count should be greater than 1 for DynamicMesh! Maybe you "
         "should use StaticMesh?");
   }
 
-  for (u32 i = 0; i < data.materials[0]->frames.size(); i++) {
-    frames.push_back(new MeshFrame(data, i));
+  for (u32 i = 0; i < data->materials[0]->frames.size(); i++) {
+    frames.push_back(new MeshFrame(*data, i));
   }
 
   animation.resetAll(frames);
diff --git a/engine/src/renderer/3d/mesh/mesh.cpp b/engine/src/renderer/3d/mesh/mesh.cpp
index 347e295..58c6dec 100644
--- a/engine/src/renderer/3d/mesh/mesh.cpp
+++ b/engine/src/renderer/3d/mesh/mesh.cpp
@@ -13,14 +13,14 @@
 
 namespace Tyra {
 
-Mesh::Mesh(const MeshBuilderData& data) {
+Mesh::Mesh(const MeshBuilderData* data) {
   init();
 
-  TYRA_ASSERT(data.materials.size() > 0,
+  TYRA_ASSERT(data->materials.size() > 0,
               "Materials count must be greater than 0");
 
-  for (u32 i = 0; i < data.materials.size(); i++) {
-    auto* material = new MeshMaterial(data, i);
+  for (u32 i = 0; i < data->materials.size(); i++) {
+    auto* material = new MeshMaterial(*data, i);
 
     if (material->frames.size() == 0) {
       TYRA_WARN("Found empty material: ", material->name, ". Skipping...");
diff --git a/engine/src/renderer/3d/mesh/static/static_mesh.cpp b/engine/src/renderer/3d/mesh/static/static_mesh.cpp
index 0194ef1..c465400 100644
--- a/engine/src/renderer/3d/mesh/static/static_mesh.cpp
+++ b/engine/src/renderer/3d/mesh/static/static_mesh.cpp
@@ -13,12 +13,12 @@
 
 namespace Tyra {
 
-StaticMesh::StaticMesh(const MeshBuilderData& data) : Mesh(data) {
-  if (data.materials[0]->frames.size() > 1)
+StaticMesh::StaticMesh(const MeshBuilderData* data) : Mesh(data) {
+  if (data->materials[0]->frames.size() > 1)
     TYRA_WARN("Static meshes should have only one frame, but ",
-              data.materials[0]->frames.size(), " frames were found");
+              data->materials[0]->frames.size(), " frames were found");
 
-  frame = new MeshFrame(data, 0);
+  frame = new MeshFrame(*data, 0);
 }
 
 StaticMesh::StaticMesh(const StaticMesh& mesh) : Mesh(mesh) {
diff --git a/engine/src/renderer/3d/pipeline/dynamic/dynamic_pipeline.cpp b/engine/src/renderer/3d/pipeline/dynamic/dynamic_pipeline.cpp
index 88be920..bcc5164 100644
--- a/engine/src/renderer/3d/pipeline/dynamic/dynamic_pipeline.cpp
+++ b/engine/src/renderer/3d/pipeline/dynamic/dynamic_pipeline.cpp
@@ -106,7 +106,7 @@ void DynamicPipeline::render(const DynamicMesh* mesh,
     u8 isPartInitialized = false;
 
     auto* texture =
-        rendererCore->texture.repository.getBySpriteOrMesh(material->id);
+        rendererCore->texture.repository.getByMeshMaterialId(material->id);
 
     TYRA_ASSERT(
         texture, "Texture for material: ", material->name, "Id: ", material->id,
diff --git a/engine/src/renderer/3d/pipeline/static/static_pipeline.cpp b/engine/src/renderer/3d/pipeline/static/static_pipeline.cpp
index a4ac831..5a7d24f 100644
--- a/engine/src/renderer/3d/pipeline/static/static_pipeline.cpp
+++ b/engine/src/renderer/3d/pipeline/static/static_pipeline.cpp
@@ -143,7 +143,7 @@ StaPipTextureBag* StaticPipeline::getTextureBag(
   auto* result = new StaPipTextureBag();
 
   result->texture =
-      rendererCore->texture.repository.getBySpriteOrMesh(material->id);
+      rendererCore->texture.repository.getByMeshMaterialId(material->id);
 
   TYRA_ASSERT(
       result->texture, "Texture for material: ", material->name,
diff --git a/engine/src/renderer/core/texture/texture_repository.cpp b/engine/src/renderer/core/texture/texture_repository.cpp
index 17f3c2a..4fa47d5 100644
--- a/engine/src/renderer/core/texture/texture_repository.cpp
+++ b/engine/src/renderer/core/texture/texture_repository.cpp
@@ -22,7 +22,14 @@ TextureRepository::~TextureRepository() {
   }
 }
 
-Texture* TextureRepository::getBySpriteOrMesh(const u32& t_id) const {
+Texture* TextureRepository::getBySpriteId(const u32& t_id) const {
+  for (u32 i = 0; i < textures.size(); i++) {
+    if (textures[i]->isLinkedWith(t_id)) return textures[i];
+  }
+  return nullptr;
+}
+
+Texture* TextureRepository::getByMeshMaterialId(const u32& t_id) const {
   for (u32 i = 0; i < textures.size(); i++) {
     if (textures[i]->isLinkedWith(t_id)) return textures[i];
   }
@@ -56,6 +63,26 @@ void TextureRepository::removeById(const u32& t_texId) {
   removeByIndex(index);
 }
 
+void TextureRepository::freeByMesh(const Mesh& mesh) {
+  for (auto* material : mesh.materials) {
+    auto* texture = getByMeshMaterialId(material->id);
+
+    if (texture != nullptr) {
+      free(texture);
+    }
+  }
+}
+
+void TextureRepository::freeByMesh(const Mesh* mesh) { freeByMesh(*mesh); }
+
+void TextureRepository::freeBySprite(const Sprite& sprite) {
+  auto* texture = getBySpriteId(sprite.id);
+
+  if (texture != nullptr) {
+    free(texture);
+  }
+}
+
 void TextureRepository::free(const Texture* t_tex) { free(t_tex->id); }
 
 void TextureRepository::free(const Texture& t_tex) { free(t_tex.id); }
@@ -81,7 +108,7 @@ Texture* TextureRepository::add(const char* fullpath) {
   return texture;
 }
 
-void TextureRepository::addByMesh(Mesh* mesh, const char* directory,
+void TextureRepository::addByMesh(const Mesh* mesh, const char* directory,
                                   const char* extension) {
   auto& loader = texLoaderSelector.getLoaderByExtension(extension);
 
diff --git a/tutorials/02-sprite/inc/tutorial_02.hpp b/tutorials/02-sprite/inc/tutorial_02.hpp
index 2a4fbbb..34ef153 100644
--- a/tutorials/02-sprite/inc/tutorial_02.hpp
+++ b/tutorials/02-sprite/inc/tutorial_02.hpp
@@ -29,7 +29,6 @@ class Tutorial02 : public Game {
   Engine* engine;
 
   Sprite sprite;
-  Texture* texture;
 };
 
 }  // namespace Tyra
diff --git a/tutorials/02-sprite/src/tutorial_02.cpp b/tutorials/02-sprite/src/tutorial_02.cpp
index 6695bf7..f4066f6 100644
--- a/tutorials/02-sprite/src/tutorial_02.cpp
+++ b/tutorials/02-sprite/src/tutorial_02.cpp
@@ -13,20 +13,10 @@
 
 namespace Tyra {
 
-Tutorial02::Tutorial02(Engine* t_engine) : engine(t_engine) {
-  /** Lets set default value, to prevent nullptr bugs */
-  texture = nullptr;
-}
+Tutorial02::Tutorial02(Engine* t_engine) : engine(t_engine) {}
 
 Tutorial02::~Tutorial02() {
-  if (texture != nullptr) {
-    /**
-     * free() function in texture repository is
-     * removing texture from repository and calling
-     * texture destructor
-     */
-    engine->renderer.core.texture.repository.free(texture);
-  }
+  engine->renderer.getTextureRepository().freeBySprite(sprite);
 }
 
 void Tutorial02::init() {
@@ -111,7 +101,7 @@ void Tutorial02::loadTexture() {
    * 8bpp and 4bpp are the fastest.
    * All of these formats can be easily exported via GIMP.
    */
-  texture = textureRepository.add(filepath);
+  auto* texture = textureRepository.add(filepath);
 
   /** Let's assign this texture to sprite. */
   texture->addLink(sprite.id);
diff --git a/tutorials/03-minecraft/src/tutorial_03.cpp b/tutorials/03-minecraft/src/tutorial_03.cpp
index 9297d2c..aeb5f09 100644
--- a/tutorials/03-minecraft/src/tutorial_03.cpp
+++ b/tutorials/03-minecraft/src/tutorial_03.cpp
@@ -14,12 +14,13 @@
 namespace Tyra {
 
 Tutorial03::Tutorial03(Engine* t_engine) : engine(t_engine) {
+  /** Lets set default value, to prevent nullptr bugs */
   textureAtlas = nullptr;
 }
 
 Tutorial03::~Tutorial03() {
   if (textureAtlas != nullptr) {
-    engine->renderer.core.texture.repository.free(textureAtlas);
+    engine->renderer.getTextureRepository().free(textureAtlas);
   }
 }
 
diff --git a/tutorials/04-de_dust2/Makefile b/tutorials/04-de_dust2/Makefile
new file mode 100644
index 0000000..9789c77
--- /dev/null
+++ b/tutorials/04-de_dust2/Makefile
@@ -0,0 +1,24 @@
+TARGET      := tutorial_04.elf
+ENGINEDIR	:= ../../engine
+
+#The Directories, Source, Includes, Objects, Binary and Resources
+SRCDIR      := src
+INCDIR      := inc
+BUILDDIR    := obj
+TARGETDIR   := bin
+RESDIR      := res
+SRCEXT      := cpp
+VSMEXT		:= vsm
+VCLEXT		:= vcl
+VCLPPEXT	:= vclpp
+DEPEXT      := d
+OBJEXT      := o
+
+#Flags, Libraries and Includes
+CFLAGS      := 
+LIB         := 
+LIBDIRS     := 
+INC         := -I$(INCDIR)
+INCDEP      := -I$(INCDIR)
+
+include ../Makefile.tutorials-base
\ No newline at end of file
diff --git a/tutorials/04-de_dust2/bin/.gitignore b/tutorials/04-de_dust2/bin/.gitignore
new file mode 100644
index 0000000..44c5ea8
--- /dev/null
+++ b/tutorials/04-de_dust2/bin/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/tutorials/04-de_dust2/inc/tutorial_04.hpp b/tutorials/04-de_dust2/inc/tutorial_04.hpp
new file mode 100644
index 0000000..9131a95
--- /dev/null
+++ b/tutorials/04-de_dust2/inc/tutorial_04.hpp
@@ -0,0 +1,35 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include <memory.h>
+
+namespace Tyra {
+
+class Tutorial04 : public Game {
+ public:
+  Tutorial04(Engine* engine);
+  ~Tutorial04();
+
+  void init();
+  void loop();
+
+ private:
+  void loadMesh();
+
+  Engine* engine;
+
+  std::unique_ptr<StaticMesh> mesh;
+  StaPipOptions renderOptions;
+};
+
+}  // namespace Tyra
diff --git a/tutorials/04-de_dust2/obj/.gitignore b/tutorials/04-de_dust2/obj/.gitignore
new file mode 100644
index 0000000..44c5ea8
--- /dev/null
+++ b/tutorials/04-de_dust2/obj/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/tutorials/04-de_dust2/res/.gitignore b/tutorials/04-de_dust2/res/.gitignore
new file mode 100644
index 0000000..44c5ea8
--- /dev/null
+++ b/tutorials/04-de_dust2/res/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/tutorials/04-de_dust2/run.ps1 b/tutorials/04-de_dust2/run.ps1
new file mode 100644
index 0000000..74646cc
--- /dev/null
+++ b/tutorials/04-de_dust2/run.ps1
@@ -0,0 +1,4 @@
+$ConfigFile = Join-Path $PSScriptRoot '../../windows-pcsx2.ps1'
+. $ConfigFile
+
+RunPCSX2
diff --git a/tutorials/04-de_dust2/src/main.cpp b/tutorials/04-de_dust2/src/main.cpp
new file mode 100644
index 0000000..8c1dc96
--- /dev/null
+++ b/tutorials/04-de_dust2/src/main.cpp
@@ -0,0 +1,26 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "engine.hpp"
+#include "tutorial_04.hpp"
+
+/**
+ * In this tutorial we will learn:
+ * - How to get pad input and move the camera
+ * - What is static pipeline and how to use it
+ * - What is mesh (StaticMesh) and how to load it from .obj file
+ */
+
+int main() {
+  Tyra::Engine engine;
+  Tyra::Tutorial04 game(&engine);
+  engine.run(&game);
+  return 0;
+}
diff --git a/tutorials/04-de_dust2/src/tutorial_04.cpp b/tutorials/04-de_dust2/src/tutorial_04.cpp
new file mode 100644
index 0000000..ec573f7
--- /dev/null
+++ b/tutorials/04-de_dust2/src/tutorial_04.cpp
@@ -0,0 +1,39 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include <tyra>
+#include "tutorial_04.hpp"
+
+namespace Tyra {
+
+Tutorial04::Tutorial04(Engine* t_engine) : engine(t_engine) {}
+
+Tutorial04::~Tutorial04() {
+  engine->renderer.getTextureRepository().freeByMesh(mesh.get());
+}
+
+void Tutorial04::init() { loadMesh(); }
+
+void Tutorial04::loop() {}
+
+void Tutorial04::loadMesh() {
+  ObjLoader loader;
+  ObjLoaderOptions options;
+  options.flipUVs = true;
+  options.scale = 200.0F;
+  auto data = loader.load(FileUtils::fromCwd("de_dust2/de_dust2.obj"), options);
+
+  mesh = std::make_unique<StaticMesh>(data.get());
+
+  engine->renderer.getTextureRepository().addByMesh(
+      mesh.get(), FileUtils::fromCwd("de_dust2/"), "png");
+}
+
+}  // namespace Tyra