Warhammer Online is the latest competitor in the race against WoW. Mythic Entertainment announced that they sold over 500,000 copys in their first week on the shelves. War is everywhere in Warhammer Online, the new MMORPG from the creators of Dark Age of Camelot. Based on Games Workshop’s popular Warhammer fantasy war game, WAR features a more PvP type experience versus WoW’s PvE/PvP gameplay.