Install
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Buy and install Half-Life (1998) on Steam
- A clean installation without any mods is preferable
- It doesn't work with Half-Life: Source
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Open its folder
- In Steam library: right click on Half Life → Manage → Browse local Files
-
Unzip
hl1-rt-patched.zipinto the folder- If you have a previous version of the mod, delete existing
rtandrt_binfolders - Replace if prompted: so original configs will not interfere with HL1 RT
- If you have a previous version of the mod, delete existing
-
Run
rt_bin/xash3d.exefrom its folder- Press X to switch renderers on the fly
- To use DLSS, additional steps are required (see below)
Optional DLSS
- Download RayTracedGL1-Bundle-DLSS.zip
- Replace the original
rt_bin/RayTracedGL1.dllwith a new onebin/RayTracedGL1.dllfromRayTracedGL1-Bundle-DLSS.zip
- Replace the original
- And download nvngx_dlss.dll
- Place it into the
rt_binfolder, ensure that it's callednvngx_dlss.dll
- Place it into the
Info
Update log
- Small fix for menu artifacts
Known issues
- AMD GPUs might have some incompatibility issues
- Classic renderer doesn't support dynamic lightmaps (consequently, a flashlight)
- Classic renderer doesn't support sky visibility polygons, so some unintended objects might be observed in a skybox
- Classic renderer's decals don't have lightmap lighting
- Hazard Course is not supported yet
Green / Red light fix for the latest drivers
- If you experience problems with weird green lighting spilling everywhere / having reddish shadows,
hl1-rt-patched.zipcontains patched shaders for the latest drivers. The previous unpatched version is still available ashl1-rt-combined-previous.zip.
If you would like to discuss, go to Discussions
If you have an issue, please, try find it in Issues or Discussions, as it might be already solved
Mods
Mods that use special logic (i.e. with custom .dll-s) must be recompiled to 64-bit.
Mods that just replace models or add maps should work, but the lighting might be overly dark and unplayable.
Custom maps must be manually tweaked.
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