Source Engine SDK Released
wolrahnaes writes "It's finally available to the public. According to a post on The Valve ERC Collective, the tools needed to create maps and mods for Half-Life 2, Counter-Strike: Source, and other Source engine based titles are now available on Steam. Some documentation is available here."
Half-Life? Levels?
Are you sure it was half-life?
would of been remembered
"would have".