Rogue Ops cheats and cheat codes for Gamecube

While playing, press Start to pause the game play after enter the following 
cheats. If you entered correctly, the screen will flash white and you 
will hear a sound.

Unlimited health
Left, Right, Right, Left, Left, Right, Right, Left, Left, Right, Right, 
Left, X, X.

Unlimited ammunition:
X, Y, X, Y, X, Y, X, Y, Left, Y, X, Y, X, Y, X, Y, X.

Unlimited Spy Cam
Left, Left, Right, Right, L, L, R, R, X, X, Y, Y.

Unlimited TOC
Y, Y, X, X, Left, Right, Right, Left, R, L, R.

Half damage
X, X, Y, Y, Left, Left, Right, Right, Y, Y, X, X.

Disable bullet damage
Left, Right, Right, Left, X, Y, Y, X.

Single-hit kills
Y, Left, Right, Right, Left, Y, R, L, Y, X, X.

Explosive crossbow
Left, Right, Right, Left, X, Y, R, L, X, Y, Left, Right.

Explosive sniper
R, L, Right, Right, Left, Left, Right, Right, L, R, X, Y.

Missile crossbow
Right, Right, Left, Left, R, R, L, L, Y, Y, X, X.

Missile sniper
X, Left, Right, R, L, Right, X, L, L, R, Left, Left.

Enable Skeleton mode
Left, Left, Left, Right, Left, Right, Left, Right, Right, Right.

Large feet
Right, Right, Right, Left, Right, Left, Right, Left, Left, Left.

Huge gun
X, X, X, X, Y, Y.

Skip stage
R, X, R, Y, R, Left, R, Right, R, L, L, X, L, Y, L, Left, L, Right, X.

Complete levels:
To complete a level, pause the game play and quickly press the following 
button combinations while you are on the indicated level:

Training level: Left, Right, Right, Left, Y, X, L, R, Y, Y, X. 
Silo level: L, R, Right, Left, Left, R, Y, L, X, X, X. 
Reliance level: L, R, Right, Left, L, R, Right, X, Y, X, Y.
Museum level: R, R, Right, Right, Right, R, L, X, L, X, L.
Mod level: L, R, Right, L, Left, Y, L, Y, Right, Right, Left.
Magyar level: L, Y, Y, Left, Left, R, L, Right, X, Right, Right.
Installation K level: L, R, X, X, Left, R, R, X, X, L, X.
Carmen level: L, R, Right, Left, Left, R, L, X, X, X, L.
Bank level: L, R, X, Y, Left, L, Left, Left, X, Y, X.