The 'Game of the Year' edition, containing four exclusive maps, was released on Septemin the USA and on September 23 in Europe. The sequel, Dawn of War II, was released in February 2009.
Since its release, three expansion packs have been released: Winter Assault in 2005, Dark Crusade in 2006, and Soulstorm in 2008. It was released by THQ on Septemin North America. Warhammer 40,000: Dawn of War is a real-time strategy computer game developed by Relic Entertainment based on Games Workshop's popular tabletop wargame, Warhammer 40,000.
