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