Multiwinia: Survival of the Flattest!
You are in command of stickmen called Darwinians. These are generated from spawn points, which you can take control of by sending some of your army to, eventually giving you numerous spawn points all running simultaneously. You can also capture control points, allowing you to teleport your Darwinians across sea to other islands. Essentially, it pays to build up large armies, seeing as numerous game modes rely on capturing and holding zones and simply defeating the enemy armies.
System: 2.0 GHz CPU
RAM: 512 MB
Space: 2500 MB
Video: GeForce 6200 or Radeon 9000 series
PowerISO or similar program is needed for extraction. Includes a readme.