BLOCKVOLVE
About
Your objective is very simple, you have to make the block evolve by catching the white balls and avoiding the black balls. The game ends when your block rises to the top or disappears.
Use strategy, sometimes you'll have to catch some small black balls to catch bigger white balls.
For more info: http://www.ludumdare.com/compo/2012/08/27/evolving-the-block-post-mortem/
Enjoy!