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 ...
The Escapist

Garry’s Mod successor s&box goes open source to aid with development

The spiritual successor to Garry’s Mod, S&box, is being made open source by the developers over at Facepunch Studios. It’s a slightly odd move for a games studio to do with an actively in-development ...
PC Gamer

An ambitious Counter-Strike mod to emulate the OG 1.6 experience in Global Offensive has been rejected by Valve after 8 years of development

Some of the Classic Offensive team's Source engine workarounds may be the culprit. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.