Cortex Command
Cortex Command is a game that has been in development for a very long time and the Alpha has been available for purchase through development of the game. On 28 February 2012 version 1.0 was released.
General information
Availability
This was a part of Humble Indie Bundle 2, and was also added as an extra to Humble Indie Bundle 3. If you own one of those bundles, you have access to the final versions of the game DRM-Free and a Steam code on your bundle page.