This is Guard Duty. Put your feet in the shoes of Barney Calhoun, a security guard at the Black Mesa Research Facility who has no idea that the next few hours are going to change his life forever. Re-live the exciting adventure of Blue Shift, now re-created in the award winning Source engine.
:D it gave me goosebumps
This is amazing. I love this!
nice one, keep it going guys!
you must keep this alive!!! we must have source versions of all the originals!!!
true half-life style
awesome!