Rev 6: 1) Added a portal for zeds and players to cross to the 'plinko' zed chamber from the opposing zed chamber. 2) Added two side paths to get zeds to upper chamber. 3) Slowed zed spawn production by 33%. 4) Cosmetics.

Rev 5: 1) Added another side path. 2) Added 3 more portals with portal arrow indicators. 3) Added more ammo. 4) Created 2 openings in 'pipe' wall to allow Boss easy access to you. 5) Corrected spawn output and height settings.

Rev 4: 1) Now allowing access to the 'Drop Pipes'. 2) Added another path on one side plus a cosmetic poster.

Rev 3: 1) Removed a couple of irritating (and now not required) player blocking volumes. 2) Fixed a few pipe ends I hadn't noticed from the last revision. 3) Added lots more pipes along the sides of the main chamber. 4) Added some cosmetic items. 5) Added more dramatic lighting.

Rev 2: 1) Removed about 1/3 ammo & weapon crates. 2) In an effort to help confused Zeds, opened the upper Zed area and added pipes and paths. 3) Reduced Zed spawn volumes a bit but added more spawn volumes to upper Zed area. 4) Some cosmetic changes.

Rev 1: 1) Corrected (hopefully) a problem of a shy bloat who did not want to drop off the pipes. 2) Added 6 collectibles.
3) Made a change to prevent zeds from falling off pipes when negotiating a tight corner. 4) A few cosmetic changes.

Initial issue.