To make the ball big, pause the game and press L1, L2, L1, L2, Up, RIGHT, DOWN, LEFT. You will feel the controller vibrate if you entered it properly.

To activate Big Head Mode, pause the game and press UP, LEFT, DOWN, RIGHT, UP, RIGHT, DOWN, LEFT. You will feel the controller vibrate if you entered it properly.

To activate Tiny Head Mode, pause the game and press UP, DOWN, UP, DOWN, R1, R1, L1, L1. You will feel the controller vibrate if you entered it properly.

To activate Big Body Mode, pause the game and press UP, DOWN, LEFT, RIGHT, L1, L2, R2, R1. You will feel the controller vibrate if you entered it properly.

To activate Invisible Body Mode, pause the game and press R1, R2, R1, R2, UP, DOWN, LEFT, RIGHT. You will feel the controller vibrate if you entered it properly.

To make the players faster, pause the game and press LEFT, RIGHT, RIGHT, LEFT, L1, R1, R1, L1. You will feel the controller vibrate if you entered it properly.

To make the players slower, pause the game and press LEFT, LEFT, RIGHT, RIGHT, R2, R2, L2, L2. You will feel the controller vibrate if you entered it properly.

To see the programmer names, press R1, R2, RIGHT, RIGHT, LEFT, LEFT, L2, L1.