“We’ve just released a massive update to the Source SDK, adding all the Team Fortress 2 client and server game code. This update will allow content creators to build entirely new games based on TF2,” the post says . Valve adds that it is also updating all of its multiplayer back catalogue Source engine titles, adding in a load of improvements to make them more playable. However, there’s a caveat: any games created with this source code must be free: “The SDK is...
