No menu, aperte lt e rt umas cinco vezes. Depois vá ao pc e digite:
Mission select, "Five" Zombies mode map, Dead Ops Arcade game, and Zork game
Enter "3ARC UNLOCK" as a code to unlock the "Five" Zombies mode map, Dead Ops Arcade game, Zork: The Great Underground Empire text-based adventure game, and all missions.
Enter "3ARC INTEL" as a code to unlock all Intel. Note: Enabling this code will prevent the "Closer Analysis" achievement from being earned.
Enter "ALICIA" as a code to unlock the Alicia virtual therapist game.
Dead Ops Arcade game
Enter "DOA" as a code to unlock the Dead Ops Arcade game, which is a zombie killing mini-game similar to Smash TV. Use the Left Analog-stick to move and the Right Analog-stick to shoot. Note: Play the Dead Ops Arcade game to get the "Insert Coin" achievement.
Enter "ZORK" or "HELLO SAILOR" as a code to unlock the Zork: The Great Underground Empire text-based adventure game. Note: Play the Zork game to get the "Eaten By A Grue" achievement.
Display all commands
Enter "HELP" as a code to display a list of system commands in the terminal and Pentagon user e-mail access.
Open corresponding file
Enter "CAT [filename]" or "PRINT [filename]" as a code to open the corresponding file.
List audio files and pictures
Enter "DIR" as a code to display a list of audio files and pictures for use with "CAT" command.
List of login names
Enter "WHO" as a code to display a list of login names for use with the "RLOGIN" command (requires passwords).
Enter "LOGIN" as a code to login with a corresponding username and password.
Open mail folder for current user
Enter "MAIL" as a code to open the mail folder for the current user.
Display contents of current directory
Enter "DIR" or "LS" as a code to display the contents of the current directory.
Encode a string using the CIA's cypher
Enter "ENCODE" as a code to encode a string using the CIA's cypher.
Decode a string using the CIA's cypher
Enter "DECODE" as a code to decode a string using the CIA's cypher.
Display "Fee Fie Foe Foo!"
Enter "FOOBAR" as a code to display "Fee Fie Foe Foo!".
Há também a opção para acessar as contas dos militares do jogo:
Bruce Harris bharris goskins
D. King dking mfk
Adrienne Smith asmith roxy
Vannevar Bush vbush manhattan
Frank Woods fwoods philly
Grigori "Greg" Weaver gweaver gedeon
J. Turner jturner condor75
Jason Hudson jhudson bryant1950
John McCone jmccone berkley22
Joseph Bowman jbowman uwd
John F. Kennedy jfkennedy lancer
Lyndon B. Johnson lbjohnson ladybird
Richard Nixon rnixon checkers
Richard Helms rhelms lerosey
Richard Kain rkain sunwu
Ryan Jackson rjackson saintbridget
T. Walker twalker radi0
Terrance Brooks tbrooks lauren
William Raborn wraborn bromlow
Nome da dica / truque Funcionalidade