While doing a bit of shopping today, I couldn’t help but pick up Professor Layton and the Curious Village (obligatory Penny Arcade comic) for the DS. It’s basically just a ton of logic puzzles loosely tied together by a story, but there are supposed to be some unlockables as well.
I’ve done nine of them so far, but there’s supposed to be around 120 total, plus more released over the net on a weekly basis, so it should keep me busy for a while. It might take up the early morning pre-work time killer role previously occupied by Picross DS.