Ever wanted to use a Wii Remote, pheraps a Multitouch surface or the Microsoft Kinect to control your application/game even if web based? If so, then MonoMIG (Multi Input Gateway) is what you are looking for!
A variation of Memory that does not necessarily have a perfect solution. This is a sample program for the YPP Grand Crafting Puzzle Project. Single player only, but watchers can see the board.