Using Low preset, the flashlight in Slender Fortress in Slender Fortress isn’t working. I tried to solve it myself, all I found is r_dynamic, maxworlddlights to fix light on surfaces. Would like to know the cvars for dynamic lights to make a config just for Slender Fortress. Any help?

In the launch option, there are only 2 recommended options for dxlevels. Is dxlevel 81 a viable option between the two?