Made by Emnu
This is the fourth scary gmod coop, this is simply a small remake of the first one. Is a bit longer though and has different "scares".
Also, the screenshots are kinda blurry, try it out.
Links for earlier versions: http://www.gamebanana.com/maps/159190 http://www.gamebanana.com/maps/159252 http://www.gamebanana.com/maps/159563