At the PAUSE screen, enter RIGHT TRIGGER, RIGHT BUMPER button, Y, X, RIGHT, DOWN, LEFT, LEFT BUMPER button, LEFT TRIGGER, RIGHT TRIGGER, RIGHT BUMPER button, Y, X, RIGHT, DOWN, LEFT, LEFT BUMPER button, LEFT TRIGGER, RIGHT TRIGGER, LEFT TRIGGER, LEFT BUMPER button, RIGHT BUMPER button, Y, LEFT, DOWN, X, RIGHT BUMPER and LEFT BUMPER buttons. buttons. These codes are valid only during the level when used. The codes became invalid when the game is stopped or after the mission is cleared. This is only usable in Easy and Story mode.

At the PAUSE screen, enter UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, X BUTTON, Y BUTTON, RIGHT BUMPER AND LEFT BUMPER BUTTONS buttons. These codes are valid only during the level when used. The codes became invalid when the game is stopped or after the mission is cleared. This is only usable in Easy and Story mode.

When the credits role, enter LEFT TRIGGER, LEFT BUMPER, RIGHT TRIGGER, RIGHT BUMPER, X, Y, B before "Test Player" is reached. You can fly to the destroyed Akrid.

Beat hard mode.

Attain L30 on Xbox Live for your first secret character. Reach L45 on Xbox Live for another secret character.

Finish the game on either Easy, Normal, or Hard.

At the PAUSE screen, enter DOWN, DOWN, DOWN, UP, Y, UP, Y, UP, Y, UP, UP, UP, DOWN, X, DOWN, X, DOWN, X, LEFT, Y, RIGHT, X, LEFT, Y, RIGHT, X, RIGHT BUMPER and LEFT BUMPER buttons. These codes are valid only during the level when used. The codes became invalid when the game is stopped or after the mission is cleared. This is only usable in Easy and Story mode.