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.
These are models I've originally made for svencoop as practice. Quality varies as I was learning as I did these. You can use them for half life based mods. There's generic items, food, oversized mushrooms, stuff from breaking bad, south park, etc.