This one is even better, though it takes a sharp eye to see what's happening without narration: http://vimeo.com/groups/82430/videos/70016164 http://vimeo.com/

This one is even better, though it takes a sharp eye to see what's happening without narration: http://vimeo.com/groups/82430/videos/70016164 http://vimeo.com/groups/82430/videos/70016164 That's two players side by side: Andrew Sorensen, and Ben Swift. It is a thoroughly entertaining 20 minute set. Plus reading how they are modifying the code is really neat. I only have a passing familiarity with scheme so I only get the gist of what's happening.