There is only one lvl.
Buy Them
you buy the map packs
Unlimited
Black Ops 2 Zombies is harder but also way funner than Black Ops Zombies.
shoot all the zombies and try to survive!
Black Ops does have zombies
yeah zombies is way more fun!
Yes, zombies are back in Black ops.
you just have to beat the levels for the next zombie game
black ops zombies just continues after world at war
World at War and Black ops. Just go with Black ops though, new zombies maps come out with map packs, and more features come with the full package. Black ops zombies also has more achievements and items to get, so Black ops is the most fully featured Call of Duty yet!
it doesnt end