From Major Nelson’s Blog-

Xbox 360 Top Live Titles (based on UU’s)

1 Halo 3
2 Call of Duty: WaW
3 Call of Duty 4
4 Gears of War 2
5 UFC® 2009 Undisputed Demo
6 GTA IV
7 FIFA 09
8 Left 4 Dead
9 Fallout 3
10 RESIDENT EVIL 5

Top Arcade Titles (Full Versions purchased)

1 Space Invaders Extreme
2 Hasbro Family Game Night**
3 Castle Crashers
4 Banjo-Tooie
5 Peggle
6 Worms
7 ARKANOID Live!
8 Cyber Troopers Virtual On Oratorio Tangram
9 UNO
10 Teenage Mutant Ninja Turtles 1989 Classic Arcade