THQ Inc. and Relic Entertainment today announced the expansion pack to their critically acclaimed real-time strategy hit Warhammer® 40,000: Dawn of War®. Featuring a deeper single player experience and even more intense Dawn of War action, Warhammer 40,000: Dawn of War - Winter Assault will also include a brand new, fifth race ? The Imperial Guard. Based on the world of Warhammer 40,000 ? the dark, futuristic, fantasy universe from Games Workshop, the game is scheduled to release in fall 2005.