No the game is not cross-platform online, so people play the PC version together and people play the Xbox 360 version together, but a PC and Xbox 360 cannot play together on the same server.
yes
Yes,Call of Duty 1 and Call of Duty 2 are both World War 2 Based and were released for the original Xbox.
yes
Call of duty 4 Call of duty world at war Halo 2
They are Call of Duty World at War and Call of Duty Black Ops for the PS3 and Xbox 360. You can not get them on Call of Duty World at War Final Fronts for the PS2 and you also can not get them for the Call of Duty World at War versions that do not have Zombie Map Packs.
2 Call of Duty titles have been released for the original Xbox. They are Call of Duty: Finest Hour and Call of Duty 2: Big Red One.8 Call of Duty titles have been released for the Xbox 360. They are Call of Duty Classic, Call of Duty 2, Call of Duty 3, Call of Duty 4: Modern Warfare, Call of Duty: World at War, Call of Duty: Modern Warfare 2, Call of Duty: Black Ops and Call of Duty: Modern Warfare 3.(This information is as of 18 September 2012)
In call of duty, world at war, hold square for ps3 and i think its x for xbox. same as how you get in.
Yes It does .
no
Get a JTAG
FOUR.
Sorry, but this should really go in the Call of Duty section.