Level 44
You go to the terminal and punch in DOA you'll unlock a level called dead ops arcade (the last level)
you unlock "five" the pentagon level for zombies. you also unlock the dead ops zombie arcade game.
you have to rank up to level 50 online 3 times to unlock the zebra
type in 'doa' on that computer or '3arc unlock'
"DOA" unlock Dead Ops. "ZORK" Unlocks an achievement. "3ARC UNLOCK" unlocks a Zombie map
You unlock the mount Zebra at the highest level in multiplayer, which is 4th Legendary level 50.
If your talking about typing codes into the computer when you break out of the chair at the main menu, these are the codes: Unlock Dead Ops Arcade in Zombies: 3arc_DOA Unlock all Zombie Maps: 3arc_unlocks
where can u download dead silence and for free without any subscriptions
You must get to a certain experience level
3arc unlock. - unlocks "five" and dead ops arcade.
Child's Play is a classic, but Dead Silence is probably creepier.
You unlock them as you level up through the red dead redemption multiplayer