Probably because you finished the round and were about to progress to the next round...
Unlimited
it depend sif your playing black ops zombies or world at war zombies black op zombies has stamin up double tap and PhD flopper regular world at war zombies has speed cola jugger nog and quick revive
Press "Nazi Zombies", then "Playstation Network", and then online. You'll then get started playing with random people.
A Juggernaut is a perk that you can buy when playing Zombies in Black Ops and Black Ops 2. It increases your health.
Black Ops 2 Zombies is harder but also way funner than Black Ops Zombies.
press start then select quit game
it means the military or terrorist group you are playing for
Black Ops does have zombies
turn on the power on the stage if you are playing kino der toton
Yes there will be zombies and zombies campain
Yes, zombies are back in Black ops.
The new Black Ops Zombies App had an update which was suppose to fix some bugs, but it didn't so when playing a game it will suddenly crash.