Snot II: The Rubberland [Android] Android port of my old hardcore puzzle platformer, written in Python/PyGame/PGS4A. Now with 15 levels and a lot of new cool stuff. Really playable. Really hard. Really free.
ProcGen Procedural generation of game level content: outdoor terrain, caves, dungeons, corridor crawler dungeons, mazes. etc
E.S.P. Hadouken Guide the dot through each level without touching the black areas
Magical blueprints for procedural generation of content. Based roughly on a series of articles by Sean Howard. Overview here. .. _series of articles: http://www.squidi.net/mapmaker/index.php .. _Overview here: http://www.squidi.net/mapmaker/musings/m100402.php