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.
I was always bothered at how lazy was Valve at making the world model of the HEV Suit (They just mapped the UV's on a pre-rendered screenshot of the 3ds Max mesh) so I tried to get around on a fix that uses the Player Model mesh.
FINALLY!
I love you!
No helmet?
Gamebanana.com this will help you