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.
Another little map made by me.
Black Mesa Relaxing Facilities.Who said scientists can't take a bath in a pool?
cool
again great mapping but damn the pool is destroyed :P