Re-releases
The game has been re-released as part of the compilations X-COM Collection by Hasbro Interactive in 1999, and X-COM: Complete Pack in 2008 and 2K Huge Games Pack in 2009 by 2K Games. On September 5, 2008, the X-COM series, including X-COM Apocalypse, became available for sale on Valve's Steam platform; the game runs in a specially configured version of DOSBox.
Read more about this topic: X-COM: Apocalypse