http://www.youtube.com/watch?v=8G_aUxbbqWU http://www.youtube.com/watch?v=8G_aUxbbqWU Written by 14 year olds. Several orders of magnitude more difficult than

http://www.youtube.com/watch?v=8G_aUxbbqWU http://www.youtube.com/watch?v=8G_aUxbbqWU Written by 14 year olds. Several orders of magnitude more difficult than what mark has done. (A lot of asm, 3d code, matrix maths, fitting together pascal, c, asm in DOS, etc)