Kopfgeldjäger SX

An asteroids style game where you fly around space collecting minerals to upgrade your ship. There are other ships flying around. You want to upgrade to become the most powerful ship in space. There are a ton of upgrades. About 6 shields, 5 weapons, and a bunch of other little things.
The game offers a riveting gameplay experience and can prove to be extremely enjoyable as long as you can shed all your preconceived ideas about asteroid type games and simply enjoy the concept behind it.