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.
The defacto tool for previewing Half-Life models is Mete Ciragan's Half-Life Model Viewer. However, the current version doesnt support the new texture features of the Half-Life engine. To get around this, I've modified the source of the v1.25 of the Half-Life Model viewer and added support for these features as best I can plus added some new ones.
The program is a complete hack as I'm no C++ expert and it was the first C++ program I ever attempted, but here's the list of current enhancements to the default 1.25 viewer: