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: > Unlike the Steam Workshop or local content mods, this SDK gives mod makers the ability to change, extend or rewrite ...

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

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

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

Valve is handing Team Fortress 2 modders the keys to the kingdom, as long as they don't try to make any money from it. The ...

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

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

Team Fortress 2 has gotten a major update, as Valve opens up the modding scene even further to allow total overhauls to the ...

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 of other improvements." ...