http://sourceforge.net/projects/qalahthe implementation of an ancient arabic board game. It is easy to understand and makes a lot of fun! Playable against the computer or a (present) human.
You have six bowls, each with six beans, and you have to choose which to pass counter-clockwise. If you end up with more beans on your side than the computer, then you win. Play by typing qalah in console window.