THQ and Relic have announced the development of the new Warhammer 40,000: Dawn of War expansion called Soulstorm.
The new expansion should hit the shelves in Spring 2008. The new stand-alone expansion will feature two all-new factions which will end up at total of nine playable races. THQ and Relic promise an extensive interplanetary campaign.
Besides the nine unique races, THQ has also announced the introduction of air units and multiplayer achievement which should bring the new and challenging strategic gameplay for all players.