Hitman 2 - Silent Assassin cheats and cheat codes for XBox

Stage select:
Go to the main menu, then press 
R, L, Up, Down, X, Y, B.

During the game play press the following button combinations on your 
Xbox controller:

Moon gravity
R, L, Up, Down, A, L, L.

Bomb mode
R, L, Up, Down, A, Up, White.

Nailgun mode
R, L, Up, Down, A, White, White. 

Skip stage
R, L, Up, Down, X, click Left Analog-stick, press B, A, B, A.

Invincibile mode
R, L, Up, Down, A, R, L, Black, White.

All weapons available
R, L, Up, Down, A, Up, X, A.

Unlock SMG and 9mm Pistol SD
L, R, Up, Down, A, Up, R, R.

Maximum health
R, L, Up, Down, A, Up, Down.

Lethal charge
R, L, Up, Down, A, Black, Black.

Megaforce
R, L, Up, Down, A, R, R.

Slow-mo mode
R, L, Up, Down, A, Up, L.

Unlimited ammo:
L, R, A, white, black, X, L.

Punch mode
R, L, Up, Down, A, Up, Up.

Unlock Silenced Ballers:
Get a "Silent Assassin" ranking on any mission

Unlock Sawed Off Shotgun:
Get a "Silent Assassin" ranking on any 2 missions

Unlock M4:
Get a "Silent Assassin" ranking on any 5 level.
or finish the Shogun Showdown level and reach "Silent Assassin" rating.