Killing Floor 2

Tracked sources for Killing Floor 2 were limited between 2025-11-18 and 2026-07-31, with only 2 verified changes captured in this window. The recorded activity centers on Summer 2026 2XP Event and Summer Seasonal Cosmetic Bundles and Discounts and sits between Winter Sales Event on 2024-11-21 (seasonal_event) and no later tracked updates in the current dataset, making this a light but still readable period in the game's history.

• Verified activity: 2026-06-25 - Summer 2026 2XP Event: 2XP during sales launch week from June 25th to July 9th, 2026.; 2026-06-25 - Summer Seasonal Cosmetic Bundles and Discounts: Cosmetic bundles and discounts ranging from 60% to 75% off available in-game (Steam only)..
• What stands out: The period is defined more by a small number of isolated updates than by a large roadmap beat or expansion-sized release.
• Before this window: The closest earlier tracked activity was Winter Sales Event on 2024-11-21 (seasonal_event).
• After this window: No later tracked activity is present in the current dataset.

Killing Floor 2 celebrated its ninth anniversary with a series of events on November 21, 2024. The 2XP Event and 4X Drop Rate Event provided players with enhanced experience points and loot drops, while the Winter Sales Event offered significant discounts on various editions and in-game content.

• 2XP Event: Players enjoyed double experience points across all platforms, with the event available online only for console users.
• 4X Drop Rate Event: This event increased the drop rate of items by four times, allowing players to gather loot more efficiently.
• Winter Sales Event: The game featured a special winter sales event that included discounts on various editions and in-game items.
• Shop Discounts: Players could take advantage of discounts up to 75% off most in-game store content available on Steam.

Killing Floor 2 launched the Winter Quality of Life Community Gratitude Giveaway on January 23, 2024, providing players with previously time-limited seasonal rewards. The update also introduced Server Admin Controls for Custom Servers, allowing for configuration of Seasonal Zeds. This period saw significant balance changes, including buffs to weapons and adjustments to perks.

• Balance Changes: Several key balance adjustments were made on January 23, 2024:
  • HRG Stunner Damage Buffed: InstantHitDamage increased from 60 to 80.
  • Glock 18 and Riot Shield Spread Reduced: Spread reduced from 0.06 to 0.045.
  • FAMAS Masterkey Buy Price Reduced: Buy price lowered from 1200 to 1000.
  • Firebug Firestorm Duration Increased: Ground fire duration extended by 20%.
  • SWAT Assault Armor Adjustment: 50% of armor added at the beginning of each wave.

• Modding Enhancements: New modding hooks, including the Enable Door Kismet node and Elite Zed replacements, were added on January 23, 2024.

• UI/UX Improvements: Several quality-of-life updates were made:
  • A Store Search Bar was added for easier navigation.
  • Fixed issues affecting the Inventory Tab Selection Frame and Cursor Shift in weapon characteristics.

• Network Improvements: On May 22, 2024, the item server behavior for Steam users was significantly improved, addressing connection issues and delayed item grants.

Year 7 of Killing Floor 2 introduced the major update with the Bounty Hunt Weekly Mode and the Castle Volter Official Map, both launching on October 17, 2023. This period also saw the addition of new weapons, including the HRG 93R Pistol and the MG3 Shredder, enhancing players' arsenals.

• New Content:
  • Bounty Hunt Weekly Mode: Players hunted Bounty Zeds each wave for Dosh, with increasing difficulty if not prioritized.
  • Castle Volter Map: A new map located in Hans Volter's hidden fortress, playable in Survival, Weekly, and Endless Game Modes.
  • New Weapons:
    • HRG 93R Pistol: A burst-fire backup pistol available in the Perk menu.
    • MG3 Shredder: A fast-firing Tier 5 machine gun with two fire modes, available as paid DLC.

• Gameplay Changes:
  • Mission to End Dr. Hans Volter: A new mission where players aimed to stop Dr. Hans Volter and his experiments.
  • Weekly Modes Introduced: New modes like Arsenal Ascent and Perk Roulette were added, diversifying gameplay.

• Seasonal Events:
  • Deep Blue Z Event: Time-limited objectives and cosmetics related to the new content were introduced.
  • Contamination Zone Weekly Outbreak: New areas where players faced health hazards and had to reach safe spaces.

• Balance Changes:
  • Field Medic Perk Adjustments: Reduced passive movement speed increase and adjusted self-healing capabilities.
  • Weapon Adjustments: Various weapons received balance tweaks, including damage increases and reduced cooldowns.

• Quality of Life Improvements:
  • Weekly Mode Selector: Players gained the ability to select any desired Weekly Outbreak as a game mode, enhancing matchmaking options.

Killing Floor 2 Ultimate Edition launched on April 29, 2022, bundling the base game with the Armory Pass I & II, alongside various characters and cosmetics. This year also introduced the new map Crash and several exciting weapons, including the HV Storm Cannon and HRG Medic Missile, culminating in a significant content expansion.

• New Weapons: Multiple new weapons were added throughout the year, including:
  • HV Storm Cannon: A tier 4 rifle that fires charged electric shots.
  • HRG Ballistic Bouncer: A tier 3 weapon that charges rubberized ballistic gel.
  • Zed Eradication Device MKIII: A tier 5 heavy weapon firing energy rounds.
  • G36C Assault Rifle: A tier 4 assault rifle for the SWAT, available as paid DLC.
  • Blood Sickle: A tier 4 melee weapon for the Berserker, also available as paid DLC.
• New Map: The Crash map launched on November 17, 2022, featuring a Horzine cargo train crash site and supporting multiple game modes, including Survival and Weekly.

• New Game Modes:
  • Perk Roulette: A new weekly mode where players start with a random perk each wave.
  • Primary Target: A weekly mode where one player is designated as a VIP, targeted by Zeds.

• Seasonal Events:
  • Blood & Bonfires Halloween Event introduced new gameplay challenges and cosmetics.
  • Tidal Terror event featured a secret research lab and new gameplay modes.

• Gameplay Improvements: The introduction of Primary Target Zed behavior required players to protect specific mercs, adding strategic depth to encounters. Additionally, players could now select their starting weapon and grenade for Survivalists, enhancing gameplay customization options.

The Armory Season Pass launched on February 12, 2021, introducing a new optional purchase that granted access to all 2021 DLC weapons. This period also saw the release of multiple new weapons and maps, including the highly anticipated Carillon Hamlet map and several powerful new weapons like the Doshinegun and HRG Stunner.

• New Maps:
  • Carillon Hamlet: Launched on November 16, 2021, a festive small village map for various game modes.
  • Moonbase: A secret Horzine research outpost on the Moon, added on June 22, 2021.
  • Dystopia 2029: A community map featuring urban environments released on February 4, 2021.

• New Weapons:
  • Doshinegun: A tier 2 off-perk weapon that utilizes dosh stacks.
  • HRG Stunner: A tier 4 full-automatic weapon for the SWAT with a secondary flashbang shot.
  • Thermite Bore: A tier 4 weapon that launches thermite grenades, introduced on June 2, 2021.

• New Game Modes:
  • Boss Rush Outbreak: Introduced on October 22, 2021, featuring multiple bosses in succession.
  • Day of the Zed Event: Celebrated with new challenges and modes on multiple occasions, including October 5 and September 2, 2021.

• Quality of Life Improvements:
  • A vote to pause system was implemented on November 16, 2021, allowing players to pause during endless mode trader time.
  • Players could now purchase armor in increments of 25, enhancing gameplay flexibility.

• Balance Changes:
  • Significant adjustments were made to various Zeds and weapons, including buffs to the Medic Mine Reconstructor and SWAT Perk skill improvements on October 22, 2021.

Killing Floor 2 introduced significant content during its fourth year, highlighted by the Christmas Crackdown Seasonal Update on November 17, 2020, which brought a new map, Elysium, and the HRG Vampire weapon. Additionally, the game became available on the Epic Games Store on July 9, 2020, featuring cross-play capabilities.

• New Weapons:
  • Minigun and Mine Reconstructor launched on September 29, 2020, adding new firepower options.
  • Frost Fang and HRG Vampire were introduced on November 5, 2020, enhancing the weapon roster with unique mechanics.
  • New Community Map: Elysium added on November 5, 2020, supporting various game modes.

• Seasonal Events:
  • The Christmas Crackdown event began on November 5, 2020, featuring new challenges and cosmetics.
  • The Infernal Insurrection Event took place in September 2020, offering thematic gameplay experiences.

• Gameplay Enhancements:
  • New portal mechanics were introduced on November 2, 2020, adding dynamic elements to gameplay.
  • The Survivalist passive weapon swap speed boost was implemented on October 21, 2020.

• Balance Changes:
  • Notable adjustments included a Field Medic perk rework on September 29, 2020, improving gameplay dynamics for that class.
  • Weapon changes for the Rhino and Seal Squeal on October 21, 2020, enhanced their effectiveness in combat.

• DLC Changes:
  • On August 17, 2020, DLC Weapons became tradeable on Steam, allowing for gifting and trading of duplicates.

Killing Floor 2 launched the Matriarch on November 6, 2019, marking the introduction of a new boss alongside a host of additional content. This update included four new weapons and an objective map, significantly expanding the gameplay experience. The year also saw the introduction of several new maps and game modes, ensuring players had fresh challenges to tackle.

• New Boss: The Matriarch, a biotech-enhanced character, debuted on November 6, featuring unique abilities and a storyline connection to the existing lore.
• New Weapons: Multiple updates introduced various weapons, including the HRG Incision, Mosin Nagant, and Riot Shield & Glock 18, enhancing combat options for players.
  • October 29, 2019: Weapon Bundles for Christmas Update included purchasable packs featuring the Riot Shield & Glock 18 and Mosin Nagant.
  • August 9, 2019: A paid weapons DLC was announced, adding five unique weapon skins.
• New Maps: Several new maps were released, including Ashwood Asylum and Nuked, providing diverse environments for players.
• Gameplay Mechanics: The introduction of an Objective Game Mode added layers to gameplay, requiring players to complete specific tasks to progress through waves.
• Seasonal Events: The Halloween Event: Grim Treatments and Yuletide Horrors Event launched, bringing thematic objectives and cosmetics to the game.

Killing Floor 2 celebrated its second anniversary with the Naughty List Appreciation Celebration event on November 30, 2017, introducing new maps and seasonal content. This period also saw the launch of several new weapons and game modes, significantly expanding the gameplay experience. Players can now engage with new maps like Santa’s Workshop and Shopping Spree, along with a host of new weapons including the Battle Axe and M32 Grenade Launcher.

• New Maps: Added Santa’s Workshop and Shopping Spree on November 8, 2018, for various game modes.
• New Weapons: Introduced several new weapons, including the Battle Axe, Fire Axe, Tommy Gun, and M32 Grenade Launcher on November 8, 2018.
• New Game Modes: Launched a new Endless game mode that offers increasingly challenging waves of enemies, with unique gameplay mutations, starting January 26, 2018.
• Prestige System: A Player Perk Prestige System was added on April 20, 2018, allowing players to reset a level 25 perk for increased leveling speed and rewards.
• Seasonal Events: The Twisted Christmas event began on November 8, 2018, featuring festive gameplay and objectives.

Killing Floor 2 launched on November 18, 2016, marking its debut on PC and consoles, including the PlayStation 4 and Pro. The game saw significant expansion with the release of Killing Floor: Incursion on November 16, 2017, a VR experience featuring a co-op campaign and new gameplay elements. Other major highlights included the introduction of the Abomination enemy and several new maps and weapons throughout the year.

• New Content:
  • Killing Floor: Incursion launched on November 16, 2017.
  • Abomination enemy introduced on November 16, 2017.
  • New maps: Nightmare and Boozo's Nightmare, both launched in October 2017.
  • New weapons: Hemogoblin, Seeker 6, and HZ12 Multi-Action Shotgun added throughout the year.
• Gameplay Mechanics:
  • Expanded Perk System reimagined from the original game on launch day, November 18, 2016, providing more options for players.
  • Holdout Mode introduced on February 13, 2017, allowing for dynamic room combinations during gameplay.
  • Dosh Vault system implemented on October 12, 2017, enabling players to earn currency through daily and weekly missions.

• Balance Changes:
  • Major enemy damage reductions implemented on October 17, 2017, affecting Sirens, Husk, and Bloat, among others.
  • Adjustments to Fleshpound and Scrake to balance solo play experiences.

• Seasonal Events:
  • Double XP and Drop Weekend held on November 17, 2017, rewarding players with extra experience and loot.
  • Halloween Horrors Update announced and implemented in October 2017, featuring themed content.