Open Bower's Nightmare: Beat the story mode.

Open Frightmare: Beat Bowser's nightmare in the story mode.

Open hard level: beat the game on normal.

Open intense mode: Beat story mode on normal setting.

Open mini games: After you play party mode or story mode mini games, the games become unlocked in the mini game mode.

Open skoler parts: In the super duel mode win the battle flag and the robo rabbit hunt under all the levels and you will open skoler parts for your vehicle.

Open DK parts: Defeat Dk under hard level in the super duel mode.

Changes in your mini game: Pause your mini game while your playing it and press A, B, X, R, Y. You will be able to make changes in your mini games afterward.

Super duel mode: You get points for every time you play in the party mode, so you set your game for 50 rounds and all CPUS. then leave and you will get points in the mini game mode.