Jazz is in Unreal
 

Jazz Jackrabbit community(jazz2online) presented previously Doom 2 game mod called Jazz is in Doom. It's only working with GZDoom fanmade game patch. So now time has come for jj3d alpha demo unreal 1 mod.
http://www.mediafire.com/file/kiheq1...nreal.rar/file
Note: For most of maps in case if not functioning properly keep in mind I mean open Unreal console and type "noclip" command it might be helpful. If map is not loading properly just type "open...(the name of any map)".