Press Up, Down, L1, L2, Select, Start at the select game screen (main menu). A sound effect will confirm correct code entry. The hidden vehicle will be available in all game modes.
All arenas and tracks
Press Down, Up, R2, R1, Start, Select at the select game screen (main menu). A sound effect will confirm correct code entry. All the arenas and tracks will be unlocked in time trial and battle mode games.
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