Super Mario Galaxy, but right now I'm addicted to MKWii like crack. It might eventually pass it up. SSBB and MP3 get honorable mention. The Wii really has some great games when you think about it.
Proud member of the SONIC SUPPORT SQUAD
Tag "Sorry man. Someone pissed in my Wheaties."
"There are like ten games a year that sell over a million units." High Voltage CEO - Eric Nofsinger