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.
A test map. This map was created for the 'Talking Scientists' conmpetition at TWHL. The basic idea was to have two scientists talking to each other. As you will see, I added my own twists.