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 reality and still it's about to happen "again"!
Nice one.
nice room i like it
That circle in the celling is way to streched.
fixed.
the test chamber "smalllllllll" :)