obviously mate go online, up to 4 players with random people or your friends...
Chat with our AI personalities
its on 2 player on local but u can go 3 or more players on xbox live
on a ps3 you can only play 2 players on a xbox i think u can play 4 players.actually u can't play 4 players on xbox 360 either but i bet u probobly could if u had maybe about 4 controls hope my answer helps.
you can only get it on the map "FIVE" from the mystery box
No
No Zombies mode is for the PS3 PC and Xbox 360 games of World at War and Black Ops. It has a Limited Nintendo number of maps also