(taken from
http://nintendowiifanboy.com)
* Wii Sports (Packed in with the system)
* The Legend of Zelda: Twilight Princess
* WarioWare
* Wii Play
* Red Steel
* SD Gundam Revolution
* Tamagotchi
* Ennichi no Tastsujin (a drum game, along the lines of Taiko Drum Master)
* Trauma Center: Second Opinion
* Elebits
* Necro-nesia
* Super Monkey Ball: Banana Blitz
* Super Swing Golf Pangya
* Wing Island (demoed at E3 2006, the "plane game")
* Kororinpa (a Marble Madness-type game of some sort)
* Machariku Domino (a domino game)