Epic Mickey -- good platforming, great RPG integration, a love letter to Disney
Killzone Liberation -- arguably better than its console counterparts, deep and engaging gameplay
Folklore -- amazing sound and art direction, interesting controls, and a unique combat system
Zack & Wiki: Quest for Barbaros' Treasure -- brilliant puzzles, challenging and imaginative
999: Nine Hours, Nine Persons, Nine Doors -- arguably the best story and storytelling of any video game, ever