Professor Layton and the Curious Village

Professor Layton and the Curious Village is a video game for the Nintendo DS that was originally released in 2007 in Japan, and 2008 in America. The game was published and developed by Level-5 in Japan, though stateside it was published by Nintendo.

It's basically a puzzle video game with adventure elements as well, and is the first of three video games in the Professor Layton triology. The game also includes downloadable content through Nintendo Wifi Connection, which features new and challenging puzzles.