I'm thinking about buying an Xbox 360 soon and just wanted to know what all the best Arcade titles are. What are your favorites and personal must-haves for the platform?
super meat boy
bionic commando rearmed
geometry wars 1 and 2
theres too much to list so heres some links
just in addition to the recommendations you will get here. pretty good site for your co-op needs. my tip: Castle Crashers.