A half Life1 Opposing Force mod. You're Corporal Shepard. A Soldier which arrives at Black Mesa in an alternate reality. Another Experiment went wrong and your mission: To find out what happened in Black Mesa and rescue the trapped personnel in it.
No downloads were found matching the criteria specified. We suggest you try the download list with no filter applied, to browse all available. Join now to share your own content, we welcome creators and consumers alike and look forward to your comments.