Hitman: Contracts Cheat CodesHitman Contracts general cheats
just like in the other Hitman games, you need to add two lines to hitmancontracts.ini

ENABLECONSOLE 1
ENABLECHEATS 1

Unlike the other two 47 games, the cheats are now in a menu format. once in the game press SHIFT and ESC simultaneously, this takes you to the cheats menu, use your arrow keys to navigate the menu up and down, then use left and right to toggle the options. 0 = off 1 = on. for codes such as give all or give some, just press enter.
Cheat Effect
invisible invisible to enemys
give some all ammo and most weapons, no secret or hidden weapons
give all All ammo and weapons, including hidden and secret
infammo infinate ammo
god mode god mode
end level end level

Hitman: Contracts PasswordsIn Game Cheats
These codes don't need to be entered in the console. Use a text editor, open up the file: hitmancontracts.ini; and insert ''EnableCheats 1'' and save. Afterwards, start the game and the cheats during any mission. Also note that Case Sensitivity does matter.
Password Effect
IOIPENNY Unknown
IOIRULEZ God Mode
IOIPOWER Mega Force Mode
IOILEPOW Lethal Charge
IOIHITLEIF Full Health
IOINGUN Nail Gun Mode
IOIGRV Gravity Mode
IOIHITALI Boxing Mode
IOIER Bomb
IOISLO Slow Motion