This was a Wolfenstein 3D mod I made with something like 30 new levels, new graphics and sounds that keep with the original theme, and several code mods and hacks that amount to:

• completely redone status bar
• 4 keys
• enemies spill blood
• new colors for lots of stuff

Download:
panzer16b.zip

It requires the full version of Wolfenstein 3-D. Just create a copy of the wolf3d folder and overwrite with the contents of panzer16b.zip.