Here's your list of Wii games revised to actual core games:
Core Games- 13 games that are actually known to be coming to the US.
Animal Crossing Wii- Where is it?
Battalion Wars 2
Disaster: Day of Crisis- Maybe coming out next year?
Donkey Kong: Barrel Blast
Excite Truck
Eyeshield 21- not announced for US and might never come here
Fire Emblem: Goddess of Dawn
Golden Sun Wii- where is it?
Kriby Wii- where is it?
The Legend of Zelda: Twilight Princess
Mario & Sonic at the Olympics
Mario Kart Wii
Mario Strikers Charged
Metroid Prime 3 Corruption
Pikmin Wii- where is it?
Pokemon Battle Revolution
Project H.A.M.M.E.R. (May be canceled, but nothing official)
Super Mario Galaxy
Super Paper Mario
Super Smash Bros. Brawl
Super Swing Golf
Trauma Center: Second Opinion- not a Nintendo game, Atlus 3rd party game.
Casual Games- 7 Games
Endless Ocean
Mario Party 8
WarioWare: Smooth Moves
Wii Play
Wii Sports
Big Brain Academy: Wii Degree
Wii Fit
That's a majority of core games (13-7), but that's because of old established franchises that are getting sequels or so we expect. The new casual games aren't going to be known that much before they come out because they will be announced unexpectedly.