GameGuide

XBox Live’s Major Nelson has spent the last few days number crunching, and has come up with a list of the most popular games on XBox LIve for 2009, based on connectivity:  

Xbox 360 Top Live Titles (based on UU’s)
1 Halo 3
2 Call of Duty 4
3 Modern Warfare 2
4 Call of Duty: WaW
5 Gears of War 2
6 GTA IV (Purchase and download the full game)
7 Left 4 Dead
8 Halo 3: ODST
9 FABLE II Episode 1 (of 5)
10 Resident Evil 5

Top Arcade Titles (Full Versions purchased)
1 Battlefield 1943
2 Castle Crashers
3 Trials HD
4 Hasbro Family Game Night **
5 Shadow Complex
6 Marvel vs. Capcom 2
7 Magic: The Gathering
8 UNO
9 Worms
10 Peggle