Yep. That means all of you Windows XP owners (and there are a lot of you) are out in the cold when it comes to playing this game. Kulakov states the reason for the move was simple: "Integrating DX10.1 was an opportunity to increase performance and improve visual quality even further." Of course it also limits how many units of the PC version will be sold (it's also coming out for the Xbox 360 and PS3). With the release of Windows 7 just around the corner this may turn out to be the last Vista exclusive game to be released.
[Via Blue's News]