In true Valve fashion, Gaben & Co. have just launched the long-awaited Source 2 engine... as part of the new Dota 2 Workshop Tools. Oddly, Valve isn't confirming that this is actually Source 2 -- but ...

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 ...

Valve's latest Source SDK update contains the full client and server code for TF2. The company has also confirmed that ...

Valve has issued two DMCA takedowns and brought the hammer down on two popular mod projects in what's widely regarded as a surprise move for the developer, publisher, and Steam platform owner. Portal ...

Counter-Strike 2 was one of the worst kept secrets in game news this month, but the reveals coming out of its official announcement have been promising, and one such should be a delight to map ...

A new, community-enhanced version of Portal 2 is now available on Steam. The modding platform is free for Portal 2 owners, ...

A new series of updates, posted by Valve to the backend of CSGO on Steam, hint at the possibility that a CSGO Source 2 beta could be coming soon. Previously, rumours have circled regarding the FPS ...