The unofficial DMO format description 
v0.0.6, 3/11/1998  -Uwe Girlich
uwe@planetquake.com
http://www.planetquake.com/demospecs/

This document describes the DMO file format. This file format is the result of recording a
game in Duke Nukem 3D or Redneck Rampage. This documentation covers the old Shareware
versions 1.0 and 1.1 and the new Shareware version 1.3D of Duke Nukem 3D and the alpha
demo version 0.7 moonshine of Redneck Rampage. only.