Forsaken cheats and cheat codes for Nintendo 64

While the game is paused or when "Press Start" message appears 
on the opening screen, press the following button combination:

Freeze enemies: R, Z, Right, Right, C-Up, C-Left, C-Right, C-Down.
Invincibility: A, Z, Z, Up, Left, C-Left, C-Left, C-Down.
MOre gore: Z, Down, C-Up, C-Left, Left, Left, Left, C-Down.
Psychedelic mode: A, R, Left, Right, Down, C-Up, C-Left, C-Down.
Select any mission: A, R, Z, Up, Up, C-Up, C-Down, C-Down.
Single-hit kills: B, B, B, L, R, Left, Down, Down.
Turbo crazy mode: B, B, R, Up, Left, Down, C-Up, C-Left.
Unlimited main weapon: A, R, Z, Right, C-Up, C-Right, C-Down, C-Down.
Unlimited secondary weapon: B, B, Z, Left, Left, C-Up, C-Left, C-Right.
Unlimited Solaris missiles: B, L, L, Z, Up, Down, C-Up, Up.
Unlimited Stealth Mantle: Up, Up, Up, Up, Right, Down, C-Left, C-Left.
Unlimited Titan missiles: A, B, L, Up, Up, C-Up, Up, C-Right.
Unlimited weapon energy: L, Z, Left, Right, Down, Down, C-Down, C-Down.
Wire-frame mode: L, L, R, Z, Left, Right, C-Up, C-Right.