affichage = Affichage(screen, box, blank) player = Player() minus = Minus() with open('level.json', 'w') as outfile: json.dump(1, outfile) i = 0 run = True while run: screen.blit(bg, (-250, -350)) minus.start(screen, player) screen.blit(player.image, player.rect) flag.start(screen) Affichage(screen, box, blank) player.Win(screen) pygame.display.flip() for event in pygame.event.get(): if event.type == pygame.QUIT: run = False pygame.quit() elif event.type == pygame.KEYDOWN: if event.key == pygame.K_UP: