New multipayer and instant action maps, and new F.E.A.R. missions never before available on console. (metacritic.com)
Lol people play call of duty for the multi-player online battles that's why it's MILLIONS of people ONLINE playing multipayer and not campaign. (n4g.com)
In addition to the single player game, Carcophony supports local multipayer games in both cooperative and competitive flavors for up to 4 players. (zeboyd.com)