The Obsidian Code Disk

You will need the code disk periodically during the game. This web app replaces that protection check.

Planet
Jewel
Ring
Code
Game and Assets (c) Copyright 1986 by Quest Software. Website and coding (c) Copyright 2013 by Shane R. Monroe. The Obsidian Code Disk and other software remain properties of their respective authors. Some of this site's contents were formerly part of ZeroMassEngine (depreciated). All copyrighted material is presumed usable under the Fair Use Act. For DCMA or copyright issues, click here.