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 collection of the most bizzare Half-Life deathmatch maps ever made Note: secret_chasm_lab is not included as it got a NSFW image in one of the secret rooms
So low rating
just play those maps and see what i mean