Gaming Cheats & Codes Unlock All Zombie Mode Maps and More in Call of Duty: Black Ops Cheats Unlockables and cheat codes for PlayStation 3, Xbox 360, PC, and Wii By Jason Rybka Writer Jason Rybka is a former Lifewire PC and Console gaming writer with expertise in gaming exploits. Jason was also the developer/owner of Xbox Solution and other web properties. our editorial process Twitter LinkedIn Jason Rybka Updated March 19, 2020 Cheats & Codes Consoles & PCs Cheats & Codes Gaming Services Game Play & Streaming Mobile Gaming Tweet Share Email One way to unlock all the Zombie Mode maps in Call of Duty: Black Ops is to beat the game. That said, if you want to access them right away Call of Duty: Black Ops has cheat codes that unlock all Zombie Mode maps and additional content from the very beginning. Information in this article applies to Call of Duty: Black Ops on all platforms including the PlayStation 3, Nintendo Wii, PC, and Xbox 360 versions. How to Unlock Zombie Mode Maps Philip Nelson/Flickr/CC2.0 To enter the code that unlocks all maps in Zombie Mode: Press Start on the main screen when you first start up the game. Your character will be in a room looking at a television set. Tap the L2 and R2 buttons on the PS3 (or LT and RT on the Xbox 360) rapidly and repeatedly to stand up. If playing the PC version, hold the Space bar. On the Wii, shake the controller. Walk forward and turn to the left. Move along the wall until you arrive at a computer. Interact with the computer to make a keyboard appear at the top right of the screen. Type 3ARC UNLOCK and press Enter to unlock all Zombie Mode maps. Use the computer to enter additional cheat codes. For example, enter DOA to unlock a mini-game called Dead Ops Arcade, or enter 3ARC Intel to temporarily unlock all intel. Enabling some cheats will prevent you from earning achievements.