Here's a quick n' dirty breakdown of the 18 Xbox Live Arcade games that were playable at Microsoft's after (media breifing) party:- Cloning Clyde - indie platformer
- Contra - arcade port; Konami code works; diagonal shooting was spotty
- Defender - arcade port
- Frogger - arcade port
- Galaga - arcade port
- Heavy Weapon - indie side-scrolling tank shooter
- Lumines Live - like PSP version, but with downloadable videos
- Mutant Storm Empire - indie sequel with upgraded visuals; continuous levels; room-to-room (a la Smash TV)
- Pac-Man - arcade port
- RoboBlitz - indie title using Unreal Engine 3; build was
unplayableunbearable - Scramble - arcade port
- Street Fighter II' Hyper Fighting - arcade port; controls (on gamepad) were inconsistent
- Small Arms - indie Smash Bros. ripoff
- Texas Hold 'Em - poker (without real money)
- Time Pilot - arcade port
- Totemball - indie camera-controlled musical platform adventure
- Ultimate Mortal Kombat 3 - arcade port
- Uno - card game
Update: Uno is (available on) Live! [Thanks, Dan]

