Call of Duty: Black Ops (Hardened Edition) Cheat:
Codes
When you on the Main Menu, alternately tap RIGHT and LEFT triggers about 5 taps a piece. You’ll stand up and examine the back wall. You can find a small black and white computer terminal. Approach it and enter these codes using the on-screen keyboard in the “Central Intelligence Agency Data System.”
- DOA
Unlock 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
- ZORK
- Unlocks Zork I: The Great Underground Empire (a text adventure game from 1980) which you can play on Black Ops
- 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)
These post contain Call of Duty: Black Ops (Hardened Edition) cheats, hints, unlockables for XBox 360 platform. Feel free to drop a comment if you have another cheats 
Platform: XBox 360
Tags: black ops hardened edition code, Call of Duty, Call of Duty: Black Ops (Hardened Edition), CoD, CoD: Black Ops (Hardened Edition)
Comments
Person Username Password
Adrienne Smith/ asmith /roxy
Alex Mason (default account) amason password
Bruce Harris /bharris /goskins
D. King /dking/ mfk
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
Vannevar Bush vbush manhattan
William Raborn wraborn bromlow
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Person Username Password
Adrienne Smith/ asmith /roxy
Alex Mason (default account) amason password
Bruce Harris /bharris /goskins
D. King /dking/ mfk
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
Vannevar Bush vbush manhattan
William Raborn wraborn bromlow