diff --git a/main.py b/main.py
index cc7d359..135fdd6 100644
--- a/main.py
+++ b/main.py
@@ -138,10 +138,65 @@ FONT, SIZE = 'comicsansms', 14
 programIcon = pygame.image.load('icon.png')
 pygame.display.set_icon(programIcon)
 pygame.display.set_caption('Hell Circus')
+font = pygame.font.SysFont(FONT, SIZE)
 screen_info = pygame.display.Info()
-screen = pygame.display.set_mode((1920, 1080), pygame.FULLSCREEN)
-transparent = (255, 0, 128)
+screen = pygame.display.set_mode((1920, 1080), vsync=1)
+pygame.display.set_caption("Simple platformer")
 clock = pygame.time.Clock()
-hwnd = pygame.display.get_wm_info()["window"]
+deltatime = 0
+running = True
 
-font = pygame.font.SysFont(FONT, SIZE)
\ No newline at end of file
+# Buttons
+play_button = Button("close_up.png", "close_over.png", (125, 3))
+continue_button = Button("shuffle_up.png", "shuffle_over.png", (110, 3))
+menu_button = Button("hint_up.png", "hint_over.png", (95, 3))
+
+walls = pygame.sprite.Group(Wall("white", (1280, 20), (640, 0)), Wall("white", (1280, 20), (640, 720)),
+          Wall("white", (20, 720), (0, 360)), Wall("white", (1280, 20), (1280, 720)),
+          Wall("white", (200, 20), (640, 360)), Wall("white", (20, 200), (640, 360)),
+          Wall("white", (1280, 20), (1280, 320)))
+
+player_group = pygame.sprite.GroupSingle(Player("red", (100, 100), (200, 600), walls))
+camera = Camera(player_group.sprite, (300, 200))
+
+all_sprites = pygame.sprite.Group()
+all_sprites.add(player_group, walls)
+
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+
+    screen.fill("black")
+
+    camera.update(deltatime, all_sprites)
+    player_group.update(deltatime)
+
+    all_sprites.draw(screen)
+
+    pygame.display.flip()
+
+    deltatime = clock.tick(FPS) / 1000
+
+pygame.quit()
+
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+        elif event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_ESCAPE:
+                running = False
+    
+    background_img_image = pygame.image.load(BACKGROUND_IMAGE).convert_alpha()
+    screen.blit(background_img_image, (0, 0))
+
+    mouse_pos = pygame.mouse.get_pos()
+
+    play_button.update(mouse_pos)
+    continue_button.update(mouse_pos)
+    menu_button.update(mouse_pos)
+
+    screen.blit(play_button.image, play_button.rect)
+    screen.blit(continue_button.image, continue_button.rect)
+    screen.blit(menu_button.image, menu_button.rect)