The updown.zip file you have requested: Maps Levels Missions / updown.zip - 4.81kb is not available. Perhaps try browsing all files for the game Duke Nukem 3D and upload any files you want to share or are missing. This is the only information we could locate:
THIS LEVEL IS NEITHER MADE BY OR SUPPORTED BY 3D REALMS. Title Ups Downs Filename updown.map Author Gumby E mail ======================================================================
THIS LEVEL IS NEITHER MADE BY OR SUPPORTED BY 3D REALMS.
Title : Ups & Downs
Filename : updown.map
Author : Gumby