You must have one ethernet cord connected to both xbox 360s and have 2 same games,the game updated to the both consoles from xbox live then go to system link and create game and on other console pick join game if it does not work try updating the game again from xbox live
no
It does have a zombie mode and it is really fun.
(sadly) there is no zombie mode in CoD 4. the only zombie modes (so far) is the sombie mode in world at war and the zombie mode in black ops.
No
Yes, there is.
five
Yes
Yes
there is no other cooperative mode, only zombies
Black Ops
Yes it has a Zombie Mode and 3 different Zombie maps
When you buy Revolution, the first black ops 2 map pack, it comes with a new game mode called turned, which is a gun game styled game where you play as the zombie.