Valve has, most unexpectedly, released the official SDK this week, officially titled Left 4 Dead Authoring Tools. The SDK is still in beta, but we had a lot of fun tearing it open and playing with all the goodies inside nonetheless.

The updated version of Hammer still feels like the same ol’ Hammer we know and love. It has been redesigned, though, specifically for Left 4 Dead campaings, versus, and survival map editing. One of my favorite new features is that, once the model files are loaded, they stay loaded during a session. The SDK also comes with tons of example files to help newbies (such as us) get started. Read more

Welcome to the development blog for Sprawling Terror. We hope to use this as a forum for small releases, big releases, and letting the community sound off on ideas of their own to help shape the campaign while it’s being developed. Read more