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4:3 ?_block animated block body_size_growth brick brick_block button_prompt crossover electronics falling falling_block falling_object flag flagpole flash flash_game fungus game_console game_over gameplay_mechanics goomba group human interactive item_box jumping koopa lakitu male mammal mario mario_bros mushroom nintendo nintendo_entertainment_system not_furry power-up question_mark scalie score size_transformation sound super_mushroom tetris title title_screen transformation unknown_artist