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

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

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 ...

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

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

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

Source that received big updates today, as Valve also published a new update for Team Fortress 2 along with updating the ...

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

Surprise! Valve's just released a massive update to the Source SDK, adding "all" the Team Fortress 2 client and server game ...

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." ...