might as well start one for the Wii now

Wii Exclusive Titles

I'll add them as they are announced

Animal Crossing
Bachindaa
Battalion Wars 2
Big Brain Academy: Wii Degree
Bleach: Shattered Blade
Bomberman Land Wii
Boogie
Carnival Games
Cooking Mama: Cook Off
Crash Dummy Vs The Evil D-Troit
Crash of the Titans
Crayon Shin-chan: Saikyou Kazoku Kasukabe King Ui
Cruis'n
Dance Dance Revolution: Hottest Party
The Destiny of Zorro
Detective Conan: Tsuioku no Mirajiyu
Dewy's Adventure
Dragon Blade: Wrath of Fire
Dragon Quest Swords: The Masked Queen and the Tower of Mirrors
Earache: Extreme Metal Racing
Elebits
Elevator Action
Emergency Mayhem
Ennichi no Tatsujin
Escape from Bug Island
Excite Truck
Final Fantasy Crystal Chronicles: The Crystal Bearers
Fire Emblem: Goddess of Dawn
Fishing Master
Furu Furu Park
G1 Jockey Wii
Ghost Squad
GT Pro Series
Heatseeker
High School Musical: Sing It!
Jissen Pachi-Slot Pachinko Hisshôhô! Hokuto no Ken
Kororinpa: Marble Mania
Mahjong Taikai Wii
Mahou Sensei Negima!? Neo-Pactio Fight!!
Mario & Sonic at the Olympic Games
Kart Wii
Mario Party 8
Mario Strikers Charged
Medal of Honor Wii (working)
Mercury Meltdown Revolution
Metal Slug Anthology
Metroid Prime 3: Corruption
MySims
Naruto: Clash of Ninja Revolution
NiGHTS: Journey of Dreams
No More Heroes
One Piece: Unlimited Adventure
Project H.A.M.M.E.R.
Project Rygar (working)
Rampage: Total Destruction
Red Steel
Resident Evil: UC
Sonic and the Secret Rings
Soul Calibur Legends
Super Mario Galaxy
Super Monkey Ball: Banana Blitz
Super Paper Mario
Super Smash Bros. Brawl
Super Swing Golf
Tony Hawk's Downhill Jam
Trauma Center: New Blood
Trauma Center: Second Opinion
WarioWare: Smooth Moves
Wii Fit
Wii Music
Wii Play
Wii Sports
Wing Island
Zack & Wiki: Quest for Barbaros' Treasure