"For games that use SDK versions before 2.7.1 the PhysX Legacy Installer must also be installed." To download this you can go here first then click a link provided in the info text. Page to get the link to the download of the LATEST PhysX Legacy Driver (This is not the one you must install, it's the one below (link to picture showing where to click). A simple Google search didn't do it in this case to get the LATEST PhysX Legacy Driver...

You MUST download the Physx Legacy Driver by Nvidia for the game to run. I included a download link below. Once installed you can play the game http://www.nvidia.com/object/physx-9.13.0604-legacy-driver.html Edit: YES you can still install Nvidia Physx with AMD cards....

Can't seem to start the game. It asked to download C++ 2005 originally, but now the popup doesn't show. Anyone know how to fix?

Habe das Spiel mal auf deutscher Sprache gekauft und auch gespielt, und jetzt ist es nur noch auf englisch spielbar. Was hat Steam für beschissene Regeln am Start??? Es ist echt zum Kotzen dass es keine gesetzlichen Verbote gibt, die einem Spielanbieter strengstens untersagen, den Zustand eines bereits gekauften Spieles im Nachhinein nochmal zu verändern oder Content zu entnehmen. Absolute Frechheit....

For anyone who, like me, got this game while it was on sale and then got this error when trying to play, you just need to go here: http://www.nvidia.com/object/physx-9.12.1031-legacy-driver.html and download the Nvidia legacy drivers. Edit 9/April/14: Further down the thread Makarov says that he has an ATI card in his windows 7 box so uses the following link. http://www.nvidia.com/object/physx-9.13.0604-legacy-driver.html Many thanks to him for sharing....