Warhammer 40,000: Dawn of War is a real-time strategy computer game eveloped by Relic Entertainment based on Games Workshop's popular tabletop wargame, Warhammer 40,000. It was released by THQ on September 20, 2004 in North America. Since its release, three expansion packs have been released: Winter Assault in 2005, Dark Crusade in 2006 and Soulstorm in 2008, and Warhammer 40,000: Dawn of War II said to be released in 2009.