Profesor Layton interview

It is a videogame. Originally it was going to be a brain training type game with puzzles. One of the creators has made puzzles his entire life, and is famous for this.
When Brain Training came out they decided to create a game with a story, so as not to compete. A very fun game with a story and puzzles in mind. Sounds fun.

The only problem with some puzzles is that once you learn them, they are not fun anymore. This is why Tetris is so big. It is a coninuosly changing puzzle.