Hi Mauro, yes that's correct, on Windows MoI v3 uses Direct3D9 and not OpenGL.

This will probably be slightly different with v4, MoI will probably use Direct3D11 on Windows with MoI v4. I'll actually be starting work on that shortly, it's almost the last area that I have left to do before the first v4 beta.

Really all new cards support Direct3D well, because it's used by Windows itself in the operating system. It's OpenGL support on Windows that can vary a lot between cards, mostly because the card vendors only supply good drivers with their "workstation" level cards.

- Michael