Baldurs gateYou should really give Skyrim a test run.
Assassins creed
Elder scrolls
Resident Evil
Assassin's Creed
Zelda (though I did watch my friend playing some Twilight Princess)Holy shit
Any popular FPS series
Pokemon"Funny" true story: I got a DSi with two Pokemon games, Platinum and Soul Silver. My relative lost their copy of Platinum and I figured that I didn't need both, so, I gave them that and I kept Soul Silver. When I went to play Soul Silver, the DSi said it couldn't read the game card (corrupt; it read Platinum's game card, fine... *shrug*).
Call of Duty.