So far I have Sniper vs. Sniper, Cocoto, DinoSmash. Also NanoMechs(WiFi battle in next update, get t while it is a dollar!)
Check out the chart at http://winmobiletech.com/sekalaiset/iPhoneMPchart.html (linked from http://forums.toucharcade.com/showthread.php?t=21760 ), it has ALL the info you'll need.