Seems the heated part of this thread has cooled.  Good.  Please keep it that way because there is no need for things to go in the wrong direction. Here's the official statement about CM2's game engine history. In the mid 2000s OpenGL was API of choice for 3D gaming.  Or at least it was supposed to be.  DirectX had a spotty history and OpenGL was still regarded as the better platform to be based on for the type of game we make.  We also chose it because we didn't want to rule out having