This guide will show you how to enable HDR support, needless to say you need a HDR supported monitor
Warning – This will disable Steam achievements
(You can use Steam Achievement Manager to give yourself achievements if you care about achievements)
Enabling HDR & Configurations
Enabling HDR
- Launch the command menu (tilde button on your keyboard) for UK keyboards this key is above the TAB button
- Type Altar.GraphicsOptions.HDR 1 then hit enter to enable HDR
- Type Altar.GraphicsOptions.HDRWhitePoint 1000
Replace “1000” with the peak white point of your monitor, for example if you’re on HDR 400 then this would be 400, HDR 10 would be 1000 etc
Configurations (Unsaved)
The following configurations do NOT save after a restart
- r.HDR.UI.Luminance 1000
Replace “1000” with the peak white point of your monitor, for example if you’re on HDR 400 then this would be 400, HDR 10 would be 1000 etc
- r.HDR.Display.MinLuminanceLog10 = 0
Comparisons
HDR OFF

HDR ON
HDR OFF
HDR ON
HDR OFF
HDR ON
Default Configurations
These are the values of the default configurations in case you wanted to reset back to default
- Altar.GraphicsOptions.HDR 0
- Altar.GraphicsOptions.HDRWhitePoint 1000
- r.HDR.UI.Luminance 300
- r.HDR.Display.MinLuminanceLog10 = -4