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.
UPDATED!!: So here it is. the readme included will tell what are the features of each gun. also if you want to know what weapons your downloading here is the link to my video. its laggy and has an annoying background which also annoys me. NOTE: THERE NOT JUST SKINNED MODEL..
Moddb.com Here's an updated video. which is not annoying and not lagging. Credits to Slenderman23