Call of duty: Black ops.

• 3ARC UNLOCK - Enter this code into the computer to unlock all regular and Zombie mode levels.
• 3ARC INTEL - Entering this will unlock and let you view all the intel in the game. (Note: Using this code will disable the Closer Analysis Achievement/Trophy.)
• DOA - This code will allow you to play the Dead Ops Arcade mini-game.
• ZORK - Unlocks Zork I: The Great Underground Empire - which is an interactive fiction computer game from the early 80s.
• HELP - This is a system help command which will give you a list of all available commands that you can use on the computer terminal.
• DIR - Gives a list of all files which you can open using the CAT command. If you wanted to open a file name test.txt for example, you would open it using the command: CAT test.txt
• WHO - This command lists all login names that could be used with the RLOGIN function.
• RLOGIN - RLOGIN is the command you would use to login with a username once you have both the username and its password. Please see the hint titled "Terminal Login Names & Passwords" to get these credentials.
• ALICIA - "Alicia" is a virtual therapist that you can access if you enter this code.
• FOOBAR - Entering this code will give you the following message: "Fee Fie Foe Foo!".