How to unlock Anti Gravity:
Go to the main menu and Hold R L and press Up, Up, Left, Right, Up, Up, Up, Up, click Left Analog-stick.
How to unlock Super Spin:
Go to the main menu and Hold R L and press Left, Up, Right, Down, Down, Right, Up, Left, click Left Analog-stick.
How to unlock Shield:
Go to the main menu and Hold R L and press Left, Right, X, B, Y, A, Up, Down, click Left Analog-stick.
How to unlock Another Life:
Go to the main menu and Hold R L and press Y, A, X, B, Up, Left, Down, Right, click Left Analog-stick.
How to unlock Magnet Pegs:
Go to the main menu and Hold R L and press Y, Up, Y, Up, Y, Down, Y, Down, click Left Analog-stick.