Obviously, number one is going to be Geometry Wars. Does anyone with an Xbox 360 not have that game? That's a touch of hyperbole, obviously, but I would guess that its installed rate is pretty decent. So what else is selling big on the Xbox Live Arcade? The full top ten is after the jump. Lists are boring, so for your commenter-types, what casual games or retro games would you like to see on the Xbox 360's XBLA (that's what the cool kids are calling it)?

Top Sellers on Xbox Live Arcade [IGN]

1. Geometry Wars: Retro Evolved
2. Gauntlet
3. Smash TV
4. Bejeweled II
5. Zuma
6. Bankshot Billiards
7. Outpost Kaloki
8. Mutant Storm Reloaded
9. Joust
10. Wik: Fable of Souls