Megaforce
While playing a game, press R, L, Up, Down, A, R, R
Level Skip/Beat Level
While playing a game, press R, L, Up, Down, A, X, L(x3), B, A, B,
Level Select
While playing a game, press R, L, Up, Down, X, Y, B
Lethal Charge
While playing a game, press R,L,Up,Down,A,Black,Black
Gravity
While playing a game, press R,L,Up,Down,A,L,L
God Mode
While playing a game, press R, L, Up, Down, A, R, L, Black, White
Full Health
While playing a game, press R,L,Up,Down,A,Up,L
All Weapons
While playing a game, press R,L,Up,Down,A,Up,X,A
Bomb Mode
While playing a game, press Right trigger, Left trigger, Up, Down, A, Up, White.
Nailgun Mode
While playing a game, press Right trigger, Left triger, Up, Down, A, White(x2).
Punch Mode
While playing a game, press Right trigger, Left trigger, Up, Down, A, Up(x2).
Slow-motion Mode
While playing a game, press Right trigger, Left trigger, Up, Down, A, Up, Left trigger.
Automatic Silent Assassin Ranking
Enter Right trigger, Left trigger, Up, Down, A, left Analog Stick, B, A, B, A. Do this at the beginning of any level.