GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Team Fortress 2 has been a very durable performer for Valve, having ...

Valve just released the entirety of the Team Fortress 2 client and server source code, and it wasn’t even an accident. In a post on the Team Fortress website titled “The TF2 SDK has arrived!” Valve ...

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 company has added the client and server game code to the Source software ...

It doesn't look like TF2 is in the top ten any more. CS and DOTA2 top valve's multiplayer offerings.