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- Invincibility
Hold Option 2 + Option 1 (in order), and press Up/Right at the title screen after the Slime World logo falls. Release all buttons and begin game play. Note: The game may crash in multi-player mode when this code is enabled.
- Zit popping mini-game
Enter the screen with the green Todd that appears after the summary screens. Press Option 1 to display a zit and pop it by quickly hitting the other buttons. This game can be played in multiplayer mode.