Valve adds "all the Team Fortress 2 client and server game code" to its Source mod tools, letting modders "build completely new games based on TF2" and publish the…

Valve has just issued a massive Source SDK update giving modders access to the Team Fortress 2 game code, opening the door ...
Rock Paper Shotgun

Team Fortress 2 mod Classic is now Classified, literally, and gets a short delay into 2026

After the need for a rebrand, and a reappraisal, Team Fortress 2 Classic, now Classified, is going to take just that little bit longer.
TechSpot

Valve releases full Team Fortress 2 SDK, modders gain control over the game's code

Why it matters: Team Fortress 2 launched 17 years ago but still receives significant updates, and its player base is as healthy as ever. The latest patch fully unlocks the game's SDK, releasing ...
PC Gamer

Pre-Fortress 2, a mod that bridges the gap between Team Fortress Classic and TF2, is coming to Steam with a whole lotta grenades

Team Fortress 2 modders love nothing more than imagining alternate histories for Valve's long-running multiplayer shooter, and this year has seen several of these nostalgia-tinged conversions migrate ...