Ammo resupply
Right, Down, Down, Left, Start, C, Up, Down
Cloaking
Right, Down, Down, Left, Down, Right, A, C, Up, Left, A
Energy sponge
Right, Down, Down, Left, B, Up, Start, Y
Guided weapon
Right, Down, Down, Left, B, A, Left, Left
Invincibility
Right, Down, Down, Left, B, Up, Start, Y
Max shields and energy
Right, Down, Down, Left, A, Left, Left
Nine lives
Highlight "Chase Plane View", press Right, Down, Down, Left, B, Up, Down
Scatter weapon
Right, Down, Down, Left, Start, A, Left, A, Down
Secret Corkscrew level
Right, Down, Down, Left, Start, C, Right, Up
Secret Fade to Black level
Right, Down, Down, Left, X, Y, Z, Z, Y
Secret Heads Up level
Right, Down, Down, Left, C, Right, A, Z, Y
Secret Horde level
Right, Down, Down, Left, C, Up, Down
Secret Off-World level
Right, Down, Down, Left, Right, A, C, Y, C, A, Right
Secret Trench level
Right, Down, Down, Left, Right, Right, Down, Down
Secret Undersea level
Right, Down, Down, Left, Start, Up, B