This was an project to improve Super Zombie Fortress from it's current state, I personally have been lacking development for quite some time and it was remain private until it was a working state. This is a now archived project and I recommend seeing Red Sun Over Paradise for their variation.
Mecha the Slag for the Super Zombie Fortress plugin
https://forums.alliedmods.net/member.php?u=55835 | https://forums.alliedmods.net/showthread.php?p=1467101
dirtyminuth for the original Zombie Fortress plugin
https://forums.alliedmods.net/member.php?u=60915 | https://forums.alliedmods.net/showthread.php?p=1227078