Here is the full list of all 50 Call of Duty: Black Ops II - there are Zombies achievements.
In Buried, be their pawn.
In TranZit, obey the voices.
In Die Rise, be the architect of their instruction.
In Mob of the Dead, break the cycle.
In Origins, release Samantha.
In Origins, wield all of the ultimate staffs in one game.
In Origins, complete all 4 Challenges in one game.
In Origins, ride the tank around the map without getting off.
In Origins, revive another player four different ways in one game.
In Origins, free yourself and another from the Panzer Soldat’s claw in one game.
In Origins, use Zombie Blood to revive three players and activate a generator in one game.
In Origins, build all elemental staffs in one game.
In Origins, share a weapon you dug up.
In Origins, activate all generators without allowing one to stop.
In Diner Turned, kill the human while its decoy is in play in a Public Match.
In Diner Turned, retrieve a chained Cymbal Monkey in a Public Match.
In Diner Turned, get a kill with each primary weapon in a Public Match.
In Mob of the Dead, kill 10 zombies at once with a new beverage.
In TranZit, defeat "him" without being attacked by "him".
In Mob of the Dead, Brutus completes his patrol.
In TranZit, acquire 4 different equippable items in 1 game.
In TranZit, have all doors opened without being set on fire.
In Buried, survive an entire round within the maze on round 20 or higher.
In Buried, Pack-a-Punch a weapon during round 1 with no one using the bank or Weapon Locker.
In Die Rise, reach round 10 before turning on the power.
In Mob of the Dead, use and upgrade all traps before round 10.
In Mob of the Dead, complete the cycle 3 times.
In Mob of the Dead, convert a weapon using a kit.
In Green Run, acquire your Tombstone.
In Die Rise, fling 10 zombies in one game.
In Die Rise, use Pack-a-Punch and all perk machines in one game.
In Die Rise, face the dragon head-on before reaching round 2.
In Mob of the Dead, survive an entire round on the bridge on round 15 or higher.
In Die Rise, revive yourself.
In Die Rise, kill 5 zombies with a single shot from the Sliquifier.
In TranZit, buy 2 different perks before turning on the power.
In Buried, rewrite history.
In Buried, drop the beat on 10 zombies in one game.
In Buried, purchase the LSAT off the wall and Pack-a-Punch it.
In Buried, return to processing.
In Buried, acquire a perk for free.
In Buried, access all areas with the help of your new friend in one game.
In Buried, make a candy delivery.
In Mob of the Dead, obtain Hell's Retriever.
In Mob of the Dead, execute the escape plan.
In Mob of the Dead, open a door without spending points.
In TranZit, complete all additions to the bus in 1 game.
In Green Run, pacify at least 10 zombies with 1 EMP.
In TranZit, use an alternative mode of transportation.
In TranZit, kill one of the denizens of the forest while it is latched onto you.