7 Best Games That Actually Started Out As Mods

These seven games started out as fan mods for favorite-games, but quickly took on a life of their own and becoming hits in their own right.

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 ...