Based on Roll1D2's "Final Stand" Series on youtube. Has all the mods, plus some more I think are pretty neat. Some assembly required

For the best results, do the following

Make a new Sandbox game mode with the following changes:

• Population
  Zombie Count High
  
• World
  Water Shutoff 0-2 months
  Electricity Shutoff 0-2 months
  
• Meta
  Time Before Corpse Removal 100
  
• Character
  XP Multiplier 1.5
  Stats Decrease Slow
  Rear Vulnerability Low
  Weapon Multi Hit On
  
• Vehicles
  Recent Survivor Vehicle Normal
  car spawn rate normal
  chance has gas normal
  initial gas normal
  general condition normal
  
• Zombie Lore
  Strength Weak
  Infection Mortality Never
  Reanimate Time 0-30 Seconds
  Damage Construction Off
  Drag down off

Mod Options (note these likely aren't 100% accurate to what Mr Streamer has done I couldn't find a freeze frame of the settings)

• Super(b) Survivors
  Survivor Spawn Rate Low
  Chance to spawn with guns 25%
  Chance to spawn with melee 25%
  Chance to be hostile 30%
  Survivor Friendliness Mean