Invincibility
Press A, Z, Z, Up, Left, C-Left, C-Left, C-Down
Submitted by Jp
Gore Mode
At the Press Start Screen hit these buttons:
Z, Down, C-Up, C-Left, C-Left, C-Left, C-Down.
Psychedelic Mode
At the Press Start Screen hit these buttons:
A, R, Left, Right, Down, C-Up, C-Left, C-Down.
Enter codes at the "Start Menu" screen
GOD MODE: Z, C-Up, C-Down, B, A, L, R
ALL MISSIONS: A,R,Z,D-pad up,D-Pad Up, C-Up, C-Down, C-Down
