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.
this here is a tazer that replaces the normal HL crowbar. Happy hunting :) Creator/Author: Kruk
The only problem is the blood. Should be a zap or something. Pretty good though :)