In a scary twist that reinforces Valve's distaste of Windows 8, it turns out that the Source engine -- the 3D engine that powers Half Life 2, Left 4 Dead, and Dota 2 -- runs faster on Ubuntu 12.04 and OpenGL than Windows 7 and DirectX/Direct3D. In a scary twist that reinforces Valve's distaste for Windows 8, it turns out that the Source engine -- the 3D engine that powers Half Life 2, Left 4 Dead,
![Valve: OpenGL is faster than DirectX -- even on Windows](https://cdn-ak-scissors.b.st-hatena.com/image/square/b506b38f1c8ba6cee619e1b8ff49ffe2d958db99/height=288;version=1;width=512/https%3A%2F%2Fi.extremetech.com%2Fimagery%2Fcontent-types%2F004fDo4GNhrLVX85htF6Uqs%2Fhero-image.fill.size_1200x675.jpg)