This game does not require the original Dawn Of War 2 Swear loyalty to the Dark Gods In the sequel to the acclaimed Dawn Of War II real-time strategy franchise you return to sub sector Aurelia where a long lost frozen ice planet has reappeared from the Warp bringing with it new secrets to uncover and foes to face In Dawn Of War II Chaos Rising you will take command of the Blood Ravens and defend the sector against the Chaos Space Marines of the Black Legion Purge the chaos filth and hold the chapter together as traitorous forces work from within to try bring down the Blood RavensSingle-Player Missions Continue your fight against the enemies of the Emperor and use your squads&39; wargear abilities and experience to battle Chaos in 15 new missionsNew Environment and PVP Maps New ice planet graphics set will increase the visual diversity and adds 7 new PVP mapsAspire to Glory Build your existing squads up to level 30 and unlock even more devastating abilitiesChaos Corruption Mechanic New single-player mechanic allows you to equip incredibly powerful equipment that corrupts your squads This will impact the storyline and determine who the traitor is along with how the story endsNew Multiplayer Playable Race Swear loyalty to the Chaos Gods and play as the bloodthirsty Chaos Space Marines in multiplayer battles against both Chaos Rising and Dawn Of War II ownersNew Units New units for the Space Marine Ork Eldar and Tyranid armiesTwo New Last Stand Units Face off against the relentless horde as either the Chaos Sorceror or Tyranid Hive TyrantInternet connection required for activationSystem requirementsOS Windows VistaXP (XP SP 2) Windows 7 supported Processor Pentium IV 32GHz or any Dual Core processor Memory 1GB RAM (XP) 15GB RAM (Vista) 85GB Free Hard Drive Space Video Card Nvidia GeForce 6600GT or ATI X1600 128MB RAM DirectX 90c