Check out this link: http://www.kloonigames.com/crayon
Petri Purho from Finland cranks up new video games every 7 days that add new gameplay elements. This guy is talented and although the ideas behind many of his games, its quite impressive that he is the only one working on these games. Cryon Physics is like a minimal Little Big Planet with a clean and simple interface. Sony Research was working on similar games for PSEye, check here
Some cool stuff!