Don't ever, ever try to lie to the internet.

Ninety percent of games lose money; 10 percent make a lot of money. And there's a consistency around the competitive advantages you create, so if you can actually learn how to do the art, the design, and the programming, you would be consistently very profitable.

The culture at Valve is pretty much crowdsourced. The handbook is a wiki. One of the first things we say to new hires is, 'You have to change something in the handbook.'

I think that Windows 8 is kind of a catastrophe for everybody in the PC space.

The PC is successful because we're all benefiting from the competition with each other. If Twitter comes along, our games benefit. If Nvidia makes better graphics technology, all the games are going to shine. If we come out with a better game, people are going to buy more PCs.

George Lucas should have distributed the 'source code' to Star Wars. Millions of fans would create their own movies and stories. Most of them would be terrible, but a few would be genius.

Valve wouldn’t have gotten its start