Pick up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at Black Mesa. And a lot of people, people he cares about, are counting on him.
This Noesis Interactive Database goes with the "Introduction to Custom Props with Source and Maya" video tutorial. It contains the map, prop, and compile files used in the tutorial as well as several reference documents.