Valve just released the source code for Team Fortress 2 — on purpose
Valve just released the entirety of the Team Fortress 2 client and server source code, and it wasn’t even an accident. In a ...
Eurogamer1mon
Valve releases Team Fortress 2 source code, opening door to completely new fan-made games
Team Fortress 2 maker Valve has handed over the game's full client and server code to fans, encouraging them to "change, extend or rewrite" TF2 in any non-commercial way possible. The code is now ...
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Valve releases 'Team Fortress 2 SDK,' enabling creators to 'build completely new games based on TF2'
It took almost 20 years, but Team Fortress 2, the team-based FPS that changed a great many lives when it debuted in 2007, now has an SDK that Valve says will enable creators "to build completely ...