Team Fortress 2 maker Valve has handed over the game's full client and server code to fans, encouraging them to "change, ...

"We're already preparing for the porting efforts and a potential Steam release now that we've been legally enabled to pursue ...

Valve has also released major updates to all Source-engine multiplayer games adding 64-bit support, scalable HUDS, "and a lot of other improvements." ...

Valve has released the Team Fortress 2 SDK, which means we can expect a load of new content from the modding community.

Valve said the update lets players build entirely new games from its source code, and unlike Steam Workshop or local content ...

Valve officially dropped the software development kit for the long-beloved multiplayer shooter game for free in its latest ...

Valve has rolled out a significant update to its source SDK, granting the gaming community unprecedented access to Team ...