Ahriman
Tyrant
The DX9 version runs fine, but with the DX10/11 version (which says "recommended") I get weird graphical distortions.

I am running Vista (Sp2 I think) with a Nvidia GeForce 9800 GT.
Any solutions?
Spoiler :

I am running Vista (Sp2 I think) with a Nvidia GeForce 9800 GT.
Any solutions?