Version 5
- Improved ZED spawning system
- All doors will now be repaired everytime game becomes harder (when new game mutator appear)
- Increased FieldMedic Syringe/Healing Darts recharge rate to 20% per level (was 15% per level)
- Decreased firerate of Crossbow, Railgun, M99, HX25, M79, RPG, DoubleShotgun and Doomshotgun bonus given by Spartan skill
- Decreased number of ZEDs during "Clot Buster"
- Decreased ZEDs spawn limit to 40 (was 72)
- Decreased special crawler's size
- Decreased number of mini fleshpound

Version 4
- ZEDs buffs (mutators) now appear each 4 waves (instead of 5)
- Decreased ZEDs spawn rate at early waves
- Increased ZEDs spawn rate at later waves
- Large ZEDs spawn earlier in the game
- Slightly increased dosh gained per wave
- Reduced Bloat resistance during "up up and decay" event
- Skill Assassin now only increases headshot damage

Quick fix :
- Improved ZEDs spawning system
- Reduced teleport rate of last remaining ZEDs

Quick fix :
- Fixed Tenaticy : Was always reducing damage taken

Version 3
- Reduced damage resistance bonus on multiple upgrades
- Reduced FieldMedic's health bonus but increased syringe recharge rate
- Reduced huge crawler resistance

Version 2

- Increase diffiuclty of waves 15+
- abomination's minions, Rioter and Huge Crawler can now spawn at later waves
- A config file (Zedternal.ini) will now be created under the folder "Config" after launching the mode. You can modify this file to customise the Game Mode.

Version 1