The Outforce demo file

The Outforce is a traditional top-down real-time strategy game played across a battlefield in space. It's the first game from O3 Games, which later became Starbreeze Studios.

The Outforce is a real-time strategy game set in the depths of space. There are three races from which to choose, and more than 120 different units available, including tow ships, phasing units, and self-destructing units. The 3-D environment features a free-floating camera with a variable zoom field. The game's artificial intelligence has a genetic learning algorithm, and the physics system includes pressure waves, elastic collisions, gravity, and push-and-pull force. Up to eight players can battle it out over the Internet or on a LAN.

Source: Wikipedia

Single player only. Includes 2 scenarios [Demo]!