diff --git a/src/app/core/constants.h b/src/app/core/constants.h
index 4388ecc4..e77af32f 100644
--- a/src/app/core/constants.h
+++ b/src/app/core/constants.h
@@ -28,6 +28,7 @@ namespace constants {
 //===========================================================================================
 // 65816 LanguageDefinition
 //===========================================================================================
+
 static const char *const kKeywords[] = {
     "ADC", "AND", "ASL", "BCC", "BCS", "BEQ",   "BIT",   "BMI",       "BNE",
     "BPL", "BRA", "BRL", "BVC", "BVS", "CLC",   "CLD",   "CLI",       "CLV",
diff --git a/src/app/core/controller.cc b/src/app/core/controller.cc
index 35776ba7..eaa7feb9 100644
--- a/src/app/core/controller.cc
+++ b/src/app/core/controller.cc
@@ -71,7 +71,6 @@ void Controller::onInput() {
       case SDL_WINDOWEVENT:
         switch (event.window.event) {
           case SDL_WINDOWEVENT_CLOSE:
-            editor_.Shutdown();
             quit();
             break;
           case SDL_WINDOWEVENT_SIZE_CHANGED:
diff --git a/src/app/core/controller.h b/src/app/core/controller.h
index e1b45220..515d56fd 100644
--- a/src/app/core/controller.h
+++ b/src/app/core/controller.h
@@ -45,7 +45,7 @@ class Controller {
   };
 
   bool active_;
-  gui::editor::Editor editor_;
+  app::editor::Editor editor_;
   std::shared_ptr<SDL_Window> sdl_window_;
   std::shared_ptr<SDL_Renderer> sdl_renderer_;
 };
diff --git a/src/app/editor/editor.cc b/src/app/editor/editor.cc
index 0a45109c..cc093a15 100644
--- a/src/app/editor/editor.cc
+++ b/src/app/editor/editor.cc
@@ -15,7 +15,7 @@
 #include "gui/input.h"
 
 namespace yaze {
-namespace gui {
+namespace app {
 namespace editor {
 
 Editor::Editor() {
@@ -125,8 +125,6 @@ void Editor::UpdateScreen() {
   ImGui::End();
 }
 
-void Editor::Shutdown() {}
-
 void Editor::DrawYazeMenu() {
   MENU_BAR()
   DrawFileMenu();
@@ -276,6 +274,7 @@ void Editor::DrawViewMenu() {
 void Editor::DrawHelpMenu() const {
   if (ImGui::BeginMenu("Help")) {
     if (ImGui::MenuItem("About")) {
+      // insert the about window here
     }
     ImGui::EndMenu();
   }
@@ -297,10 +296,10 @@ void Editor::DrawGraphicsSheet(int offset) {
 
   unsigned int snesAddr = 0;
   unsigned int pcAddr = 0;
-  snesAddr = (unsigned int)((((uchar)(rom_.data()[0x4F80 + offset]) << 16) |
-                             ((uchar)(rom_.data()[0x505F + offset]) << 8) |
-                             ((uchar)(rom_.data()[0x513E + offset]))));
-  pcAddr = rom_.SnesToPc(snesAddr);
+  snesAddr = (unsigned int)((((rom_.data()[0x4F80 + offset]) << 16) |
+                             ((rom_.data()[0x505F + offset]) << 8) |
+                             ((rom_.data()[0x513E + offset]))));
+  pcAddr = core::SnesToPc(snesAddr);
   std::cout << "Decompressing..." << std::endl;
   char *decomp = rom_.Decompress(pcAddr);
   std::cout << "Converting to 8bpp sheet..." << std::endl;
@@ -338,7 +337,7 @@ void Editor::DrawProjectEditor() {
       for (int i = 0; i < 8; i++) {
         std::string id = "##PaletteColor" + std::to_string(i);
         ImGui::SameLine();
-        ImGui::ColorEdit4(id.c_str(), (float *)&current_palette_[i].x,
+        ImGui::ColorEdit4(id.c_str(), &current_palette_[i].x,
                           ImGuiColorEditFlags_NoInputs |
                               ImGuiColorEditFlags_DisplayRGB |
                               ImGuiColorEditFlags_DisplayHex);
@@ -521,5 +520,5 @@ void Editor::DrawHUDEditor() {
 }
 
 }  // namespace editor
-}  // namespace gui
+}  // namespace app
 }  // namespace yaze
\ No newline at end of file
diff --git a/src/app/editor/editor.h b/src/app/editor/editor.h
index 52c2c693..a352bb29 100644
--- a/src/app/editor/editor.h
+++ b/src/app/editor/editor.h
@@ -15,7 +15,7 @@
 #include "gui/input.h"
 
 namespace yaze {
-namespace gui {
+namespace app {
 namespace editor {
 
 class Editor {
@@ -24,7 +24,6 @@ class Editor {
   ~Editor();
   void SetupScreen(std::shared_ptr<SDL_Renderer> renderer);
   void UpdateScreen();
-  void Shutdown();
 
  private:
   void DrawYazeMenu();
diff --git a/src/app/editor/overworld_editor.cc b/src/app/editor/overworld_editor.cc
index 7286d9ff..3f782c24 100644
--- a/src/app/editor/overworld_editor.cc
+++ b/src/app/editor/overworld_editor.cc
@@ -29,7 +29,7 @@
 // have an overworld map viewer, in less than few hours if are able to
 // understand the data quickly
 namespace yaze {
-namespace gui {
+namespace app {
 namespace editor {
 
 void OverworldEditor::SetupROM(app::rom::ROM &rom) { rom_ = rom; }
diff --git a/src/app/editor/overworld_editor.h b/src/app/editor/overworld_editor.h
index 2de07c81..bb513596 100644
--- a/src/app/editor/overworld_editor.h
+++ b/src/app/editor/overworld_editor.h
@@ -10,7 +10,7 @@
 #include "gui/icons.h"
 
 namespace yaze {
-namespace gui {
+namespace app {
 namespace editor {
 
 static constexpr unsigned int k4BPP = 4;
diff --git a/src/app/gfx/snes_palette.cc b/src/app/gfx/snes_palette.cc
index de8daf19..53e72506 100644
--- a/src/app/gfx/snes_palette.cc
+++ b/src/app/gfx/snes_palette.cc
@@ -12,7 +12,6 @@
 #include <memory>
 #include <vector>
 
-
 namespace yaze {
 namespace app {
 namespace gfx {
@@ -49,9 +48,8 @@ SNESPalette::SNESPalette(uint8_t mSize) : size_(mSize) {
   }
 }
 
-SNESPalette::SNESPalette(char* data) {
+SNESPalette::SNESPalette(char* data) : size_(sizeof(data) / 2) {
   assert((sizeof(data) % 4 == 0) && (sizeof(data) <= 32));
-  size_ = sizeof(data) / 2;
   for (unsigned i = 0; i < sizeof(data); i += 2) {
     SNESColor col;
     col.snes = static_cast<uchar>(data[i + 1]) << 8;
@@ -62,9 +60,8 @@ SNESPalette::SNESPalette(char* data) {
   }
 }
 
-SNESPalette::SNESPalette(const unsigned char* snes_pal) {
+SNESPalette::SNESPalette(const unsigned char* snes_pal) : size_(sizeof(snes_pal) / 2) {
   assert((sizeof(snes_pal) % 4 == 0) && (sizeof(snes_pal) <= 32));
-  size_ = sizeof(snes_pal) / 2;
   for (unsigned i = 0; i < sizeof(snes_pal); i += 2) {
     SNESColor col;
     col.snes = snes_pal[i + 1] << (uint16_t)8;
@@ -75,7 +72,7 @@ SNESPalette::SNESPalette(const unsigned char* snes_pal) {
   }
 }
 
-SNESPalette::SNESPalette(std::vector<ImVec4> cols) {
+SNESPalette::SNESPalette(const std::vector<ImVec4> & cols) {
   for (const auto& each : cols) {
     SNESColor scol;
     scol.setRgb(each);
@@ -85,10 +82,9 @@ SNESPalette::SNESPalette(std::vector<ImVec4> cols) {
 }
 
 char* SNESPalette::encode() {
-  // char* data(size * 2, 0);
   char* data = new char[size_ * 2];
   for (unsigned int i = 0; i < size_; i++) {
-    // std::cout << QString::number(colors[i].snes, 16);
+    std::cout << colors[i].snes << std::endl;
     data[i * 2] = (char)(colors[i].snes & 0xFF);
     data[i * 2 + 1] = (char)(colors[i].snes >> 8);
   }
@@ -100,20 +96,20 @@ SDL_Palette* SNESPalette::GetSDL_Palette() {
   auto sdl_palette = std::make_shared<SDL_Palette>();
   sdl_palette->ncolors = size_;
 
-  auto* sdl_colors = new SDL_Color[size_];
+  auto color = std::vector<SDL_Color>(size_);
   for (int i = 0; i < size_; i++) {
-    sdl_colors[i].r = (uint8_t)colors[i].rgb.x * 100;
-    sdl_colors[i].g = (uint8_t)colors[i].rgb.y * 100;
-    sdl_colors[i].b = (uint8_t)colors[i].rgb.z * 100;
-    std::cout << "Color " << i << " added (R:" << sdl_colors[i].r
-              << " G:" << sdl_colors[i].g << " B:" << sdl_colors[i].b << ")"
+    color[i].r = (uint8_t)colors[i].rgb.x * 100;
+    color[i].g = (uint8_t)colors[i].rgb.y * 100;
+    color[i].b = (uint8_t)colors[i].rgb.z * 100;
+    std::cout << "Color " << i << " added (R:" << color[i].r
+              << " G:" << color[i].g << " B:" << color[i].b << ")"
               << std::endl;
   }
-  sdl_palette->colors = sdl_colors;
+  sdl_palette->colors = color.data();
 
   // store the pointers to free them later
   sdl_palettes_.push_back(sdl_palette);
-  colors_arrays_.push_back(sdl_colors);
+  colors_.push_back(color);
 
   return sdl_palette.get();
 }
diff --git a/src/app/gfx/snes_palette.h b/src/app/gfx/snes_palette.h
index 3c8759f1..7d945936 100644
--- a/src/app/gfx/snes_palette.h
+++ b/src/app/gfx/snes_palette.h
@@ -34,7 +34,7 @@ class SNESPalette {
   explicit SNESPalette(uint8_t mSize);
   explicit SNESPalette(char* snesPal);
   explicit SNESPalette(const unsigned char* snes_pal);
-  explicit SNESPalette(std::vector<ImVec4>);
+  explicit SNESPalette(const std::vector<ImVec4>&);
 
   char* encode();
   SDL_Palette* GetSDL_Palette();
@@ -43,6 +43,7 @@ class SNESPalette {
   std::vector<SNESColor> colors;
   std::vector<std::shared_ptr<SDL_Palette>> sdl_palettes_;
   std::vector<SDL_Color*> colors_arrays_;
+  std::vector<std::vector<SDL_Color>> colors_;
 };
 
 }  // namespace gfx
diff --git a/src/app/gfx/tile.h b/src/app/gfx/tile.h
index 5c048b74..cbca3e7f 100644
--- a/src/app/gfx/tile.h
+++ b/src/app/gfx/tile.h
@@ -2,7 +2,6 @@
 #define YAZE_APP_GFX_TILE_H
 
 #include <rommapping.h>
-#include <tile.h>
 
 #include <cassert>
 #include <cstdint>
@@ -22,6 +21,12 @@ namespace yaze {
 namespace app {
 namespace gfx {
 
+typedef struct {
+  unsigned int id;
+  char data[64];
+  unsigned int palette_id;
+} tile8;
+
 using ushort = unsigned short;
 using uchar = unsigned char;
 using ulong = unsigned long;
diff --git a/src/app/zelda3/overworld.cc b/src/app/zelda3/overworld.cc
index 93fccf19..cde00ef2 100644
--- a/src/app/zelda3/overworld.cc
+++ b/src/app/zelda3/overworld.cc
@@ -29,9 +29,9 @@ void Overworld::Load(app::rom::ROM& rom, uchar* allGfxPtr) {
   rom_ = rom;
   allGfx16Ptr = allGfxPtr;
 
-  overworldMapPointer = std::make_shared<uchar[]>(0x40000);
-  mapblockset16 = std::make_shared<uchar[]>(1048576);
-  currentOWgfx16Ptr = std::make_shared<uchar[]>((128 * 512) / 2);
+  overworldMapPointer = std::make_shared<uchar>(0x40000);
+  mapblockset16 = std::make_shared<uchar>(1048576);
+  currentOWgfx16Ptr = std::make_shared<uchar>((128 * 512) / 2);
 
   AssembleMap32Tiles();
   AssembleMap16Tiles();
diff --git a/src/app/zelda3/overworld_map.h b/src/app/zelda3/overworld_map.h
index 1f8b4c84..86a52595 100644
--- a/src/app/zelda3/overworld_map.h
+++ b/src/app/zelda3/overworld_map.h
@@ -15,13 +15,13 @@ using ushort = unsigned short;
 
 class OverworldMap {
  public:
-  int parent_ = 0;
-  int index_ = 0;
-  int message_id_ = 0;
-  int gfx_ = 0;
-  int palette_ = 0;
-  bool initialized_ = false;
-  bool large_map_ = false;
+  int parent_        = 0;
+  int index_         = 0;
+  int message_id_    = 0;
+  int gfx_           = 0;
+  int palette_       = 0;
+  bool initialized_  = false;
+  bool large_map_    = false;
   uchar sprite_graphics_[3];
   uchar sprite_palette_[3];
   uchar musics[4];