diff --git a/engine/sdl2.py b/engine/sdl2.py
index 4830769..525edb5 100644
--- a/engine/sdl2.py
+++ b/engine/sdl2.py
@@ -15,7 +15,7 @@ class GameWindow:
         sdl2.ext.init()
         self.window = sdl2.ext.Window(title=title, size=(self.width, self.height))
         self.window.show()
-        self.renderer = sdl2.ext.Renderer(self.window, flags=sdl2.SDL_RENDERER_PRESENTVSYNC)
+        self.renderer = sdl2.ext.Renderer(self.window, flags=sdl2.SDL_RENDERER_ACCELERATED)
         self.factory = sdl2.ext.SpriteFactory(renderer=self.renderer)
         self.fonts = self.generate_fonts("assets/AmaticSC-Regular.ttf")
         self.running = True
@@ -28,21 +28,9 @@ class GameWindow:
     
     def load_image(self, path, transparent_color=None):
         image_path = os.path.join(os.path.dirname(__file__), "..", "assets", path)
-        image = Image.open(image_path)
-        if transparent_color:
-            image = image.convert("RGBA")
-            datas = image.getdata()
-            new_data = []
-            for item in datas:
-                if item[:3] == transparent_color:
-                    new_data.append((255, 255, 255, 0))
-                else:
-                    new_data.append(item)
-            image.putdata(new_data)
+        image = sdl2.ext.load_image(image_path)
         # Ridimensiona l'immagine in base a cell_size
-        scale = self.cell_size // 20
-        image = image.resize((image.width * scale, image.height * scale), Image.NEAREST)
-        return self.factory.from_surface(sdl2.ext.pillow_to_surface(image))
+        return self.factory.from_surface(image)
     
     def draw_text(self, text, font, position, color):
         sprite = self.factory.from_text(text, color=color, fontmanager=font)
@@ -84,4 +72,4 @@ class GameWindow:
                     self.running = False
             # Disegna qui gli sprite
             self.renderer.present()
-            #time.sleep(self.delay / 1000)
+            time.sleep(self.delay / 1000)