Gordon returns to Black Mesa and, just as you expected, something goes wrong.
All hell breaks loose and it’s up to you to fix it.
Fortunately, fellow scientists manage to find a way to send instruction text to your HEV faceplate.
- Title: Hazardous Materials
- File Name: hl1-sp-hazardous-materials-ep1.7z
- Size : 104MB
- Author: D. Wengenroth
- Date Released: 07 December 2011
- Copy the hazardous_materials folder into your SourceMods folder.
- Restart or start Steam.
- Hazardous Materials should now be listed in your Library tab.
If you require more help, please visit the Technical Help page.
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