Killing Floor 3 patch notes & updates

Killing Floor 3 Halloween Hotfix is Live!

We are releasing a PC client only hotfix to address the following issues: • Fix for Antarctic Base aggressive stuttering until map is fully loaded. • Fix for a GPU crash that some players are experiencing.

Nightfall, We deployed a server hotfix late yesterday to address a crash that could sometimes occur when a player was joining an in progress game. We believe this was a leading cause of some players experiencing the "Lost Connection To Host" error.

This update fixes an issue where some clients could get stuck in the compiling shaders screen during launch due to a rare race condition.+1 more

Killing Floor 3 Double XP Weekend - From October 8th til the 12th!

Play Killing Floor 3 this weekend and enjoy global double XP! From October 8th (at 10:00 AM EST) to the 12th (at 1 PM EST)!

We have been tracking player reports of shaders failing to complete their load on launch. While we have not be able to reproduce this bug internally, thanks to these reports and continued details from players about what they are experiencing we have been able to get leads on

Killing Floor 3: Halloween Horrors Update Is Here!

Release Date: October 8th, 2026 · New Additions & Highlights The Fall 2026 Update brings the return of the fan favorite Halloween Horrors event! · New Seasonal Event: Halloween Horrors The zeds have all dressed up in their seasonal best, calling back the famous horror films.

Killing Floor 3 Scheduled Maintenance October 7th

Our partners will be doing backend updates and improvements tomorrow, October 7th at 9.00 UTC / 11.00 CET / 05.00 ET. We apologize for any inconveniences around the expected 1 hour downtime. *Please note that this is not the Halloween update that is coming soon.

Killing Floor 3 Scheduled Maintenance October 6th

We have planned backend maintenance tomorrow, October 6th at: • 10.00 UTC • 12.00 CEST (UTC +2) • 06.00 EST (UTC -4) • 19:00 KST (UTC +9) This maintenance is to help address players getting sent to servers in non-ideal regions.

Killing Floor 3 Scheduled Backend Maintenance Monday, September 7

Monday, September 7th at: 10.00 UTC · 12.00 CEST (UTC +2) · 06.00 EST (UTC -4) · 19:00 KST (UTC +9) We will have a period of scheduled maintenance and all services are expected to be impacted. Please pardon the Killing Floor 3 downtime that is expected to last up to 1 hour.

The September Quality Of Life Update Is Live!

Welcome, Nightfall! We've been closely monitoring your feedback and digging into the data to bring you our September 2026 Update. This patch includes an array of Quality of Life (QoL) improvements, bug fixes, and targeted balance changes across Perks, Weapons, and Zeds.

We are looking at shipping a Killing Floor 3 hotfix update tomorrow and will begin in the morning. We expect the backend to go down while this update happens, starting at approximately 8:30 AM EST and lasting up to 2 hours: 12.30 UTC+2 more