Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
A couple of BM-style levels made to help the author get a job Please note: Steam is almost impossible without cheating. 2 Black Mesa styled maps. There is a fan that seems like it can only be passed by no clipping and the level crashes when you enter the dark room. Loading the second level manually means you must give yourself the suit and weapons. Extract to half-life/valve/maps and press ~ (with -console in your shortcut) and type map weassp1
TheUnbeholden - you actually got to shoot the half-broken scanner near the huge door in the first map. That allows you to enter the 2nd map and then you need to reach the fan control in there and shut the fan off. From there you can come back to the first map and proceed safely to the next area where the map ends at the dark portal room.