you can't
No there can not be 4 players on Call of Duty Black Ops Zombies on PS3 offline.
Yes.
no , but call of duty modern warfare reflex (cod4) has
no
Yes.
You can't.
Yes
wii doesn't have offline splitscreen for unknown reasons...
Yes. If you use the same system, that is
Sadly, you can not. BUT you can play offline bots with 2 people.
no but i recomend buying an xbox 360 instead
if you mean offline then no sorry well if it was i would be playing it but i am sorry :(