3D model file used by S.T.A.L.K.E.R. first-person shooter games; stores 3D meshes and animation data; used for game models such as characters, weapons, terrain, and environmental objects. S.T.A.L.K.E.R. uses the X-Ray Engine, which was developed by GSC Game World, the creators of S.T.A.L.K.E.R.
The OGF file extension is associated with the computer game Descent 3. File contains graphic rows.