Hitman: Contracts cheats and cheat codes for XBox

Weapons:
Finish the following missions and achieve a Silent assasin ratings 
to unlock the indicated weapons:

Mission 1: CZ 2000 Dual Pistols 
Mission 2: Micro Uzi Dual Submachine Guns 
Mission 3: Silverballer Silenced Dual Pistols 
Mission 4: Magnum 500 Dual Pistols 
Mission 5: Sawed-Off Shotgun Dual 
Mission 6: M4 Carbine Silenced Assault Rifle 
Mission 7: SG220 .S Dual Pistols 
Mission 8: MP5 Silenced Submachine Gun 
Mission 9: AK 74 Silenced Assault Rifle 
Mission 10: GK 17 Dual Pistols 
Mission 11: Micro Uzi Silenced Dual Submachine Guns 
Mission 12: PGM Silenced Sniper Rifle 

Second chance:
After you killed, the screen  will turn to black and white in a few seconds.
If you can shoot in to head 4 people in this time, the game will resume.

Unlock all weapons in training level + Cardboard Tube weapon:
Begin play on the training level, after turn on the "Level skip" cheat.
You will finish it with a "Silent Assassin" rank.
Select the training stages again, to unlock all weapons in a storage area.

Cheat and debug menus:
Copy the game to the Xbox hard drive then open and edit the ini file 
in the main folder. Remove the comment slashes before the 
words "//Debugging" and "//EnableCheats".
Press L + Left thumb-stick Down while playing to get access 
to all cheat.  To access to the debug menu press the L + R.
Note: This cheat method require a modded Xbox.

Open all Levels 
Press X, Y, B, Left, Up, Right, L, R buttons on your controller to 
select any level.

Level skip with Silent Assassin rank and special weapons:
Press R, L, Up, Down, X, A , click Left-thumb stick, push B, A, B, A 
buttons on your controller during game play when a level first starts. 
Note: Anytime in gameplay except training

Second chance:
After you killed, the screen  will turn to black and white in a few seconds.
If you can shoot in to head 4 people in this time, the game will resume.

Unlock all weapons in training level + Cardboard Tube weapon:
Begin play on the training level, after turn on the "Level skip" cheat.
You will finish it with a "Silent Assassin" rank.
Select the training stages again, to unlock all weapons in a storage area.

Unlock the Tube:
Finish the Training with SA rating.

Dual Gold Desert Eagles 
Find second Key Card Reader Door, and open with Orthmeyer's Key Card, take 
Dual Desert Eagles on floor inside.