Ouendan/2 (Rhythm game)
Chrono Trigger (JRPG)
Etrian Odyssey/2/3 (JRPG)
Hotel Dusk (Mystery/Visual novel-ish)
Phoenix Wright series (Court drama/Visual novel-ish)
Rune Factory/2/3 (Simulation/RPG)
Elf Bowling 1&2
A bunch of ones I remember being fun and standing out. Can't recommend the last one enough.