- During the cheat terminal, press Login and enter the following accounts to read their emails.
- Alex Mason / AMASON - PASSWORD
- Dr. Adrienne Smith / ASMITH - ROXY
- Bruce Harris / BHARRIS - GOSKINS
- D. King / DKING - MFK
- Frank Woods / FWOODS - PHILLY
- Grigori Weaver / GWEAVER - GEDEON
- John F. Kennedy / JFKENNEDY - LANCER
- Joseph Bowman / JBOWMAN - UWD
- Jason Hudson / JHUDSON - BRYANT1950
- J. Turner / JTURNER - PASSWORD CONDOR75
- John McCone / JMCCONE - BERKLEY22
- Lyndon Johnson / LBJOHNSON - LADYBIRD
- Ryan Jackson / RJACKSON - . SAINTBRIDGET
- Richard Helms / RHELMS - LEROSEY
- Richard Kain / RKAIN - SUNWU
- Richard Nixon / RNIXON - CHECKERS
- Terrance Brooks / TBROOKS - LAUREN
- T. Walker / TWALKER - RADI0
- V. Bush / VBUSH - MANHATTAN
- William Raborn / WRABORN - BROMLOW
- On the Main Menu, tap the right and left triggers alternately (spacebar on PC). This will make you stand up. Approach the computer screen and enter these codes in the "Central Intelligence Agency Data System.":
- DOA - Play the super-awesome top-down Smash TV-style Dead Ops Arcade minigame
- 3ARC INTEL - Unlocks all the intel in the game for viewing (Disables Closer Analysis Trophy/Achievement)
- 3ARC UNLOCK - Unlocks all levels and Zombie Mode levels
- ZORK - Unlocks Zork I: The Great Underground Empire (an incredibly great text adventure from 1980) which you can play on the console (!)
- HELLO SAILOR - Unlocks Zork I: The Great Underground Empire (an incredibly great text adventure from 1980) which you can play on the console (!)
- HELP - Gives you a list of commands to interface with the console -- you can check mail messages and perform other mundane functions, some of which are listed below
- DIR - Gives a list of audio files and pictures which you can open with the CAT command (e.g. CAT NoteX.txt)
- WHO - Gives a list of login names for use with the RLOGIN function (but they require a password)
- RLOGIN - Log in with username and password (full list of logins below)
- FOOBAR - Gives a strange message ("Fee Fie Foe Foo!")
- ALICIA - Loads "Alicia," a virtual therapist
- Black Ops Zombies Invincibility Glitch
- Secret Achievements and Hidden Game
