Just because CoD is in the air with the new maps coming soon I found cheats for that. If you wish to see the page, click here
Otherwise I pulled the cheats straight off the page:
On the Main Menu, alternately tap RIGHT and LEFT triggers (or hold the Space bar on a keyboard). After a bit, you'll stand up. Leave your seat and examine the back wall. A small black and white computer terminal can be found here. Approach it and enter these codes using the on-screen keyboard 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
Unlockable: Pentagon Map for Zombie Mode (Five)
Beat the game on any difficulty to unlock Zombie Mode, where you play as Nixon, Castro, Kennedy, McNamara, beat the game on any difficulty. Alternately, you can enter the 3ARC UNLOCK code in the cheats menu.
Unlockable: Thundergun in Campaign
Much like the Ray Gun in the previous game, the Thundergun can be unlocked in Black Ops by performing the following specific actions on the level "Numbers." After the interrogation ends, look for six canisters. Toss grenades at the canisters to the rear left and rear right. Shoot the other canisters until smoke is released. A black tape will appear out of a cassette deck. Grab it with the action button. Leave the room and head upstairs. Kill everyone and move to the rooftop and jump to the next floor. Weaver and Clark will move the fridge revealing a weapons cache. Here you'll find the a cassette player. Hit the action button here and you'll put the tape in the deck. You should hear music and the screen will shake and shortly the Thundergun will come out of the wall. Enjoy!
Unlockable: Custom Class Slots
At certain Prestige levels you'll unlock additional custom class slots.
6th Slot - Reach 1st Prestige
7th Slot - Reach 3rd Prestige
8th Slot - Reach 5th Prestige
9th Slot - Reach 7th Prestige
10th Slot - Reach 9th Prestige
Hint: Pack-A-Punch on Five (Zombies)
I'm not sure if you guys knows this but me and some friends figured this out. If you want to reach the Pack-A-Punch on the Zombies mode "Five" map:
Make a crawler and go into the middle room and adjust the DEFCON level to DEFCON 5. Every teleporter will take you to Presidential Suite. All switches are in that room -- 3 are upstairs and 1 is downstairs.
Hint: How to Beat the Battle of Khe Sanh Trenches
At the Battle of Khe Sanh, you're told to clear the trenches. What is missed by most is a nearly inaudible clue telling you that there are barrels full of napalm. And, more importantly, there's no help in telling you what to do with those barrels. Shooting them does nothing. Neither does trying to clear the trenches with one of the mounted machineguns, as the Viet Cong keep pouring out in an endless wave. Nope, you have to run to two of the giant, striped barrels near the bottom of the hill and kick them down into the trench. There are two of them. Hide behind the sandbags and take shots at the VC until it's relatively clear. Make a run for the nearby barrel and use the prompt to stab it and kick it down the hill.
Hint: Terminal Login Names
At the cheat terminal, enter LOGIN and then the following login accounts and passwords to read various people's email. You can also use the DIR and CAT commands to view files after logging in. Note: Enter WHO to see a full list of login accounts.
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
You can also enter the RLOGIN DREAMLAND command to login to an account with MJ12 access. Here are the logins and passwords for Mj12 access:
R. Oppen / ROPPEN - TRINITY
V. Bush / VBUSH - MAJESTIC1
Hint: Pack-a-Punch Weapon Upgrades
Here is a list of all gun upgrades you can get via the Pack-a-Punch machine.
Pistol - Mustang & sally / Twin grenade launcher pistols
M14 - Minitia / Slightly more damage and 2 round burst
Olympia - Hades / Slightly more spread and damage
Ak74 - AK74FU2 / More damage and grenade launcher
MP4 - Afterburner / More damage
Stakeout - Raid / More damage, larger clip and more spread
MPL - MPL-LF / More damage
Mp5K - MP115Kolider / Slightly more damage
PM63 - Tokyo & Rose / Twin SMGs with more damage
M16 - Skullcrusher / Fully automatic and grenade launcher
HK21 - H115 oscilator / Better damage and clip best automatic
RPK - R115 resonator / Better damage and clip
M72 LAW / Rocket - M72 Anarchy / semi - automatic and larger clip
China lake - China beach / Larger clip, more damage
CS75 - Calamity / Semi-automatic, better damage
CS75 / Dual wield - Calamity and Jane / semi-automatic, better damage
Python - Cobra / Larger clip, better damage
AUG - AUG-50M3 / Larger clip, better damage and built-in shotgun
Fn FAL - Epic Win / 3 round burst, better damage, big scope
Famas - G16-GL35 / Better damage, funny smiley scope
Commando - Predator / Better damage, larger clip
G11 - G115 generator / Better damage
Galil - Lemantation / Better damage, scope, larger clip
Spas 12 - Spaz-24 / Better damage, larger clip, bigger spread
Hs10 - Typhoid & Mary / Better damage, twin shotguns, bigger spread
Dragunov - D115 disassembler / Better damage, zoom scope
L96A1 - L115 isolator / Better damage, zoom scope
Ray gun - Porters X2 ray gun / Better damage, larger clip
Ballistic Knife - The Kraus Refribillator / Larger clip, bigger knifes
Crossbow explosive tip - Awful Lawton / Larger clip, More damage
Thundergun - Zeuscannon / More damage, larger clip
Easter Egg: Change Music
On the Zombies map Five, approach the red telephones and hit the button prompted to change the background music to "Don't Back Down" by Eminem. There are 3 red telephones in all: One by the Quick Revive machine, another on the second floor in the center of the room and a 3rd one is in the room with the Pack-A-Punch machine.
If you shoot the mannequin heads in Nuketown you'll hear "Sympathy for the Devil" by the Rolling Stones. -Drunksocks
In the Zombie map "Kino Der Toten" there are 3 pieces of a meteorite located throughout the map. The first is by the stairs when you start the level. The second is in the "boiler room." The third is in the "dressing room." Hit the prompt when next to the piece and your character will say a line about the meteor -- when all 3 pieces have been found, "115" by Elena Siegman will play. -jacobosin
Also, on "Kino Der Toten," in the first room upstairs from where you start, there are 5 pictures on the right. Four of them are the characters you play as and one is blacked-out. You can examines these to hear your character say something about each one. -Jeff
Easter Egg: Secret Film
In the Zombie map "Kino Der Toten" there is a teleporter in front of the curtain on stage. When you use this teleporter you get sent to the room that contains Pack-a-Punch machine and a window. If you wait about a minute you'll be teleported again to one of several secret rooms. Inside the secret room that contains the presidential seal and a projector, there is a desk. On the desk there is an old roll of film which you can pick up (be warned you will not be prompted to pick it up, you just can).
Enjoy!