There is no code. You have to take out the batteries.
Well press the fingerprint button, wait for the three beeps put in the card wait for the beeps turn the knob to the right till 45 then to the left to 25
"3arc(space)unlock" - unlocks 2 more zombie maps "zork" - unlocks a secret achivement
The alien ops code is "theylive"
I am unsure of the password for the John F Kennedy on black ops however at the end of the game you will be given a secret code and it has him along with 3 other person in that end game .
black ops zombies just continues after world at war
The Terminal is a computer where to can enter two codes. One of which unlocks a multiplayer zombie game-mode (Dead Ops Arcade) and the other code grants you a secret achievement. The codes are: DOA and another is Zork.
there is no cheat for level 20---- the highest level it goes is 10 for both story modes. 1-9 is story, and 10 is conflict. ---- there is secret levels, special ops, and CHEATS!the secret levels, and cheats can only be accessed with codes, along with the alien special ops.---- (PS the alien special ops code is at the bottom of the page. scroll your mouse over the eyes, and there's your code) ---- link to cheats: http://wiki.answers.com/Q/What_is_all_of_the_cheats_for_Lego_mars_mission_crystalien_conflict&alreadyAsked=1----
yes there are zombies in call of the duty black ops
yes, they mean secret missions.
33
DOA
there is no cheat codes in black ops