Greetings, Devil Dog! Welcome to the Call of Duty Forums. It looks like you're looking forward to Call of Duty: Modern Warfare 4, but haven't created an account yet. Why not take a minute to 
ProCowardPuncha
Recruit
Hey guys, I'm just wondering how many people have finished Extinction mode solo offline on xbox360? It took me three months of playing every day to finally clock it. No cheats, no mods, no walkthroughs. Has anyone else done this?
