.OL File Extension

Valve Hammer Object Layout File

Developer Valve
3.6  |  12 Votes

What is an OL file?

File created by Valve Hammer Editor, a mapping tool for the Goldsource engine that runs games like Half-Life and Counter-Strike; contains prefabs, or objects, and their .WAD texture files; referenced by Hammer to map out objects and textures.

More Information

NOTE: Hammer Editor is included in the Source game engine SDK.

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Programs that open OL files


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