This a Black Mesa Mod being made by a small group of people. We're re-creating "Half Life: Opposing force" maps with just black mesa assets temporarely..
black mesa: green forces
No groups were found matching the criteria specified. We suggest you try the group list with no filter applied, to browse all available. Start a group and help us achieve our mission of showcasing the best content from all developers. Join now to share your own content, we welcome creators and consumers alike and look forward to your comments.