(adsbygoogle = window.adsbygoogle || []).push({}); *First at the main menu look down and spam R2 (PS3) and when u get out walk off and go to your left then enter the computer.

Enter "3ARC UNLOCK" to unlock the zombie maps "Five" and "Dead Ops Arcade".

Enter "3ARC INTEL" then "YES" as a code to unlock all intel
NOTE: If you use this you cannot earn the trophy for earning all achievements.

Enter "ZORK" to unlock The Great Underground Empire text-based adventure game.

Enter "HELLO SAILOR" to unlock Zork I: The Great Underground Empire. (An incredibly great text adventure from 1980)

Enter "HELP" to display a list of system commands in the
terminal and Pentagon user e-mail access.

Enter "CAT [filename]" to open the corresponding file

Enter "DIR" to display a list of audio files and pictures for use with "CAT" command

Enter "WHO" to display a list of login names for use with the "RLOGIN" command (requires
passwords)

Enter "FOOBAR" and it gives a strange message ("Fee Fie Foe Foo!")

Enter "ALICIA" and it loads "Alicia", a virtual therapist

Enter "RLOGIN DREAMLAND" to Remote login to Dreamland server using username/passwords (see below)

List of All Usernames and Passwords

Login as Bruce Harris - Username: bharris, Password: goskins
Login as D. King - Username: dking, Password: mfk
Login as Adrienne Smith - Username: asmith, Password: roxy
Login as Vannevar Bush - Username: vbush, Password: manhattan
Login as Frank Woods - Username: fwoods, Password: philly
Login as Grigori "Greg" Weaver - Username: gweaver, Password: gedeon
Login as J. Turner - Username: Jturner, Password: condor75
Login as Jason Hudson - Username: jhudson, Password: bryant1950
Login as John McCone - Username: jmccone, Password: berkley22
Login as Joseph Bowman - Username: jbowman, Password: uwd
Login as John F. Kennedy - Username: jfkennedy, Password: lancer
Login as Lyndon B. Johnson - Username: lbjohnson, Password: ladybird
Login as Richard Nixon - Username: rnixon, Password: checkers
Login as Richard Helms - Username: rhelms, Password: lerosey
Login as Richard Kain - Username: rkain, Password: sunwu
Login as Ryan Jackson - Username: rjackson, Password: saintbridget
Login as T. Walker - Username: twalker, Password: radi0
Login as Terrance Brooks - Username: tbrooks, Password: lauren
Login as William Raborn - Username: wraborn, Password: bromlow
Rlogin to Dreamland as Robert Oppen: Username: roppen, Password: trinity
Rlogin to Dreamland as Vannevar Bush: Username: vbush, Password: majestic1

(too short)