(Technically it's not a game, but the first (of possibly many) Professor Layton movies. I assume most people know of the awesome Professor Layton DS series, so you gamers may be interested...)
Anyway, what a coincidence...I was looking for a translation file today for the first time and found it here, and it looks like the translation was just completed today (July 18), too!
http://anonscanlations.blogspot.com/