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.
Second map of the author, first was Escape. Was made for hl ru website competition. It is fairly short and standard gameplay. Good for a coffee break and no story.