Left 4 Dead SDK
The Left 4 Dead SDK, officially known as the Left 4 Dead Authoring Tools, is now available as an Open Beta on Steam! You can find and download it in your Steam tools tab.
The package includes:
- Updated Hammer, the Source level editor
- Suite of command line compiling utilities, such as studiomdl and map compiling tools
- Updated Particle editor
- Updated Faceposer
- Example maps
- Example models: common Infected, a breakable prop, and explosives
More info at the VDC wiki: http://developer.valvesoftware.com/wiki/Authoring_Tools/SDK_(Left_4_Dead)



