I got to play a lot of games at PAX East, and all of them were pretty creative. But arguably the most creative was Crystalmancers, taking notes from Tetris and mixing them with a Roguelike twist. It was one of those games that feels a little odd, but once you start playing, you don't want to stop.
English
Arabic
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek