These are the games ... (Score 5, Informative)

mentioned by name in the joystiq live blog of the event:

Metroid Prime 3: Corruption
Wario Ware
Zelda: Twilight Princess
Dragon Quest Swords
Disaster: Day of Crisis
Fire Emblem
Sponge Bob Square Pants
Cars
Super Mario Galaxy
SD Gundamn G Breaker
Tony Hawk Downhill Jam
Sengoku Action
Excite Truck
Elebits
Red Steel
Rayman 4
Super Swing Gold Pangya
Hyper Sonic
Project H.A.M.M.E.R.
Finalfurlong Revolution
Final Fantasy: Crystal Chronicles
Madden 07
WiiSports

Maybe they missed some, there are only 23 there. If not, there are a few more games not mentioned that will be on the floor tomorrow.