Valve has decided to make its Source SDK free for all users, rather than require at least one Source title be purchased to obtain access to the engine. Valve has confirmed that its Source software ...

Attention current and would-be mode developers: Valve's free Source SDK has been updated with a swag of new features. The headline change to this year's version of the Source SDK is the addition of ...

Valve announced today that the Source SDK Tools is now being made available via Steam. The company describes these tools as a precursor to the full Half-Life 2 SDK, which will be released shortly ...

To help extend the lifespan of the Orange Box products, as well as the other Source-powered titles, Valve has announced that the Source SDK has been updated with some useful new features for the ...

Half-Life and Steam creator Valve have announced that the company's Source Engine and modding tools will now be made available completely free of charge. The software development kit (SDK) for the ...

Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust. Observant developers over at ValveTime have made some interesting discoveries which suggest Valve is ...