As well as being available through retail stores, the game began being distributed on Valve's Steam on May 8, 2006. The game was also available on Gametap as of January 31, 2008 until its close, and is on Good Old Games as of March 3, 2011. The game was later ported by IGIOS and published to Linux by Linux Game Publishing, with the Linux version being released on September 16, 2009. It was made available on Desura on April 10, 2011.