Valve just released the full client and game source code for Team Fortress 2, opening wild possibilities for the modding ...

After nearly 18 years since its release, Valve is sharing Team Fortress 2's source code to allow players to remake the game ...

Do it yourself,” is how Team Fortress 2 players read Valve's recent decision to put the free-to-play FPS's official developer ...

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

Following a long line of community-driven, fan-focused updates, Valve releases the full client and server code of Team ...

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

Valve have unleashed Team Fortress 2’s client and server game code into the wilds of the internet by way of a Source ...

Valve recently published the Source SDK's first significant update in a decade, adding all of Team Fortress 2's client and server code. Although fan-made items and ...

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