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.
With this is program you can open file format .mdl
With the help of this program you can view models for Half-Life and Counter-Strike 1.6 without installing them in the game. Half Life Model Viewer download recommend to all.
Format, which opens program - .mdl