Call of Duty: Black Ops Passwords

Computer Passwords
At the main menu (when you are in the torture chair selecting a mode) repeatedly press LB + RB until you break free. Walk towards the back of the room and there will be a computer.

Press X to bring up an on-screen keyboard, and type the below codes to unlock various unlockables.

Note that some cheats disables the Closer Analysis Achievement. These codes are marked by a red star
PasswordWhat it does
ZORKStarts "Zork" the classic text based adventure game
DOAUnlocks "Dead Ops Arcade" which is located under "Zombies" in the main menu
FIVEUnlocks "Five" which is located under "Zombies" in the main menu
3ARC INTEL*Unlocks all Intel in the game
3ARC UNLOCK*Unlocks All Single Player missions, All Intel and the Zombie maps "Five" and "Dead Ops Arcade"
HELPBrings up other commands that you can use
hello sailorunlocks zork the adventure game