Blobtastic
Blob Wars: Blob and Conquer 0.8 just got released, including boss battles. I haven't yet played it but it looks fun and a nice departure from typical FPS styles. I came across BallDroppings the other day. This is less a game and more a toy - although aren't games just a form of toy? Self-described as an emergence game, you draw lines off which balls bounce to create sounds. Imagine cross-breeding a bouncey ball and a music keyboard, this is probably what you would get. Somebody else has started an open source game blog, opensourcegames.blogspot.com . Competition? :P I got one of my less tech-savvy friends playing UFO:AI over Christmas. He only found out it wasn't a commercial game or complete when he "finished" the game and it popped up a message explaining this. So congratulations to the UFO:AI developers! It says something about the quality of a Free game if uneducated players rank it alongside commercial counterparts. Speaking of commercial(ish) game...