Beautiful, trippy, and addictive game. Freeware, and no install - just download, unzip, and play.
The object is to change the color of the background by shooting balls of primary colors which will leave a residue.. Instructions included in the zip. You can even play your own mp3's during game.
Click the link or download directly from here.
Link: [ b i n a r y z o o . c o m ]
Link: download