You play a soldier working their way through the Black Mesa Research facility at the same time as Adrian Shepard.
- Title: Operation Firesweep
- File Name: hl1-sp-operation-firesweep-demo.7z
- Original File Name: OFSDemo_Final.zip
- Size : 13.1Mb
- Author: Operation: Firesweep Team
- Date Released: 15 April 2004
Although this is a Half-Life mod, it has the appearance of Opposing Force.
- Copy the OFS folder into your Half-Life folder.
- Restart or start Steam.
- Operation Firesweep Demo should now be listed in your Library tab.
Click on the thumbnails below to open a 1024 pixel wide image.
WARNING: The screenshots may contain spoilers.
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