All are time to complete the main portion of the game, unless specified
Wii Ware
Lost Winds (currently listed in the wrong section)
Onslaught, 6 hours
World of Goo, 8 hours
PSN
Fat Princess, 5 hours
PixelJunk Eden, 12 hours
Ragdoll Kung Fu Fist of Plastic, 2 hours
Wii
Bully: Scholarship Edition, 26 hours for near 100%
The Conduit, 10 hours
de Blob, 8 hours
Godfather Blackhand, 42+ for near 100%
Little King's Story, 30+ hours
MadWorld, 6 hours
Medal of Honor: Heroes 2, 5 hours
Okami, 40+ hours
Punch-Out!!, 5 hours for the main circuit
Resident Evil: Umbrella Chronicles, 4/20 hours
Wii Sports Resort, 2 hours to play through and become reasonably skillful with each game type
Zack and Wiki: Quest for Barbaros Treasure, 15 hours
PS3
Siren: Blood Curse (BluRay), 14 hours
DS
The Legend of Zelda: Phantom Hourglass, 15/20 hours