Killing Floor 2 has had many major updates since it's initial Early Access release.

Here is a brief overview of the major updates.

Early Access Release Build

April 21st, 2015

Lord of the Manor

May 26th, 2015

Incinerate 'N Detonate

September 1st, 2015

Return of the Patriarch

December 3rd, 2015

Revenge of the Zeds

April 7th, 2016

  • Survival VS Mode (6v6 PVP Gameplay)
  • New Map: Prison
  • Two New Weapons (Winchester and Crossbow)


June 14th, 2016

Tactical Response

August 25th, 2016

Full Release

November 18th, 2016

Tropical Bash

January 19th, 2017

  • New Map: ZED Landing
  • New Specimen: Gorefiend
  • New Weapon: Bone Crusher
  • Introduced Multiperk Weapons

The Descent

March 21st, 2017

  • New Map: The Descent (first Holdout-Style map) and Nuked
  • New Weapons: Spitfire Pistol and Stoner 63A

Summer Sideshow 2017

June 13th, 2017

Halloween Horror 2017

October 17th, 2017

  • New Map: Nightmare
  • New Weapons: Hemogoblin, Seeker Six
  • The Vault implemented
  • Daily Missions implemented
  • King Fleshpound and Quarterpounds added to regular gameplay instead of just a Weekly Outbreak
  • Halloween Horror Tickets

Twisted Christmas 2017

December 12th, 2017

Infinite Onslaught

March 27th, 2018

Summer Sideshow 2018: Treacherous Skies

June 12th, 2018

Halloween Horror 2018: Monster Masquerade

October 2nd, 2018

Twisted Christmas 2018: Season's Beatings

December 4th, 2018