I've just watched a video where I saw Counter Strike: Global Offensive is running in Direct X 6. This makes HUGE difference on FPS and also lower the graphics quality so much. This makes me wonders and want to try it. How does one run CS:GO (or any Source Engine based game) on bare minimum Direct X 6?

1 Answer 1


You can enable DirectX 6 mode with the command line "-dxlevel 60".

right click on game -> "properties"
"set launch options..."
launch options: "-dxlevel 60"

  • Has anyone tried running CS:GO in DirectX 6? Commented Jun 3, 2016 at 7:12
  • Question tho... Why is it 60 and not 6?
    – Angelo
    Commented Jun 8, 2016 at 6:24
  • Because versions of directx increment in .1's. e.g dx10.1 or dx11.2. There are also multiple versions of direct x 9 (9, 9b, 9c).
    – Elise
    Commented Jun 8, 2016 at 11:53

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