ZERO Sievert Update History · SteamPeaks

ZERO Sievert Update History · SteamPeaks

Time (UTC)SourceWhat changedAddedEditedRemovedReference

9 Sep 2026

12:07:46NewsThe Overload Update———24836148

Major update · published 9 Sep 2026, 12:07:46 UTC

The Overload Update

Hello Hunters! It's been a few weeks since our last update went live, so it's about time for another one! Introducing, the Overload Update. There's a new late-game mission and it brings its own unique map with it. To ensure this sits cleanly against the existing questline, we've made a small change to an existing mission. And we have also included a large performance pass, giving you a real per…

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4 Sep 2026

16:19:49NewsBecome the ULTIMATE Hunter!———Community

Community · published 4 Sep 2026, 16:19:49 UTC

Become the ULTIMATE Hunter!

Hello Hunters! ZERO Sievert is a game of many systems. So many that some of the most useful ones sit quietly in a menu, a right-click or a bench tab and never get found. Today, we are putting 15 of those on the table. It is difficult to communicate everything you can do, and there is still room to spell out the small things that make looting, shooting and getting home that little bit easier. Th…

23 Aug 2026

21:36:32NewsZERO Sievert 40% Off Sale Ending Soon!———Community

Community · published 23 Aug 2026, 21:36:32 UTC

ZERO Sievert 40% Off Sale Ending Soon!

Quick Hunters! ZERO Sievert is discounted 40% in our Steam Daily Deal, but hurry! It won't last for long... The discount ends on August 27th . So if you've not picked it up yet, now's the perfect time. And tell your friends ! They may be a Hunter ready for the Zone and not even know it... We'll see you out there.

20 Aug 2026

14:50:34NewsPerformance Hotfix———24710261

Game update · published 20 Aug 2026, 14:50:34 UTC

Performance Hotfix

Hello Hunters, We’ve just pushed a small hotfix focused on performance and a couple of quality-of-life improvements, especially for laptop players and gamepad users. Performance · Laptops should now correctly detect and use the discrete graphics card automatically. This resolves the common issue of the game running poorly on systems with integrated graphics unless you forced the high-performanc…

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13 Aug 2026

16:43:26NewsThe Locked and Loaded Update———23584364

Major update · published 13 Aug 2026, 16:43:26 UTC

The Locked and Loaded Update

Hunters! A new update has arrived in the Zone, bringing a mix of new content, gameplay improvements and quality-of-life changes. And to make the update even sweeter, we’ve slapped on our biggest discount ever! For the next two weeks, you and your friends can pick up ZERO Sievert with a 40% discount . With this update, we've added some new toys to play with, made a few systems easier to use and…

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31 Jul 2026

14:48:02NewsAugust Update Preview———Community

Community · published 31 Jul 2026, 14:48:02 UTC

August Update Preview

Hello Hunters! We know it’s been a bit quiet recently for ZERO Sievert content, but today that changes. It’s time to start looking at what’s coming in the next update. August is shaping up to be a pretty exciting time for ZERO Sievert. We’ve got a solid mix of feature work, quality-of-life improvements and bug fixes all making their way to a bunker near you. Overall, our goal is to make ZERO Si…

10 Jul 2026

20:33:39NewsZERO Sievert 2 Forest and NPCs Preview———Community

Community · published 10 Jul 2026, 20:33:39 UTC

ZERO Sievert 2 Forest and NPCs Preview

Hello Hunters! We've just released a brand-new Developer Update, giving you a look behind the scenes of ZERO Sievert 2. In this video, we introduce our Senior Environment Artist, Tomo, who takes us on an in-depth tour of the brand-new Forest map, explains how we're building the world of ZERO Sievert 2 and how our procedurally generated maps come together to create unique experiences every time…

29 Jun 2026

10:25:02NewsZERO Sievert is 30% off in the Steam Summer Sale———Sale

Sale · published 29 Jun 2026, 10:25:02 UTC

ZERO Sievert is 30% off in the Steam Summer Sale

If you've been waiting to try ZERO Sievert, your moment has arrived... As part of the Steam Summer Sale, ZERO Sievert is 30% off (that's our biggest discount ever!). There's never been a better time to explore Zakov, survive the wasteland, and see why so many other Hunters have fallen in love with the game. Better still, you'll be jumping in after the release of one of our biggest updates yet:…

4 Jun 2026

17:45:40NewsThe Phantom Update———23560286

Major update · published 4 Jun 2026, 17:45:40 UTC

The Phantom Update

Hunters, The Phantom Update is now live! This update brings a mix of new threats, new content and quality of life improvements to the Bunker and Zone. From a new roaming danger in the Swamp, to expanded storage systems that make your stash more organised and easier to manage, there's plenty to discover both in and out of raids. Stay sharp! This update changes more than it seems... New Boss: Pha…

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6 May 2026

13:00:20NewsThe AMA is Now Live on r/ZEROsievert———Community

Community · published 6 May 2026, 13:00:20 UTC

The AMA is Now Live on r/ZEROsievert

Hello everyone, If you’ve got questions about ZERO Sievert , ZERO Sievert 2 , multiplayer, development, or anything else for Luca from CABO Studios and Giuseppe from Underdog , come join us here: Join the AMA!

1 May 2026

17:22:35NewsAMA with CABO and UNDERDOG———Community

Community · published 1 May 2026, 17:22:35 UTC

AMA with CABO and UNDERDOG

Hello everyone, We wanted to let you know that we’ll be doing an AMA on r/ZEROsievert on Wednesday 6th May at 2pm BST . Taking part will be Luca from CABO Studios and Giuseppe from Underdog ! If you’ve got questions about Zero Sievert , Zero Sievert 2 , multiplayer, or the future of the series, this will be a great chance to ask them. We hope to see you there!

30 Apr 2026

17:00:52NewsZero Sievert 2 is REAL!!———Community

Community · published 30 Apr 2026, 17:00:52 UTC

Zero Sievert 2 is REAL!!

Hello everyone, Before anything else, we want to say this clearly. Zero Sievert 1 is still a big focus for us , and we’re continuing to support and improve it while we work on what’s next. (As part of that, we’ve just released a new beta that includes a Russian translation !) With that said, today we’re excited to officially share that Zero Sievert 2 is in development! Watch the reveal trailer…

23 Apr 2026

09:09:27NewsHotfix for the Hotfix———22919362

Game update · published 23 Apr 2026, 09:09:27 UTC

Hotfix for the Hotfix

Oops! 😓 We made a mistake with the previous build, and we’re really sorry if you were affected by the crash. The team worked quickly to get a hotfix out, and this should now be fixed. Patch Notes · Fixed a crash on death. Really sorry about that! We were so excited to share the Controller Improvements and ✨ Borderless Fullscreen ✨, but we should have left this one cooking in beta for a little…

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22 Apr 2026

19:37:56NewsGamepad quality of life patch and more bug fixes!———Game update

Game update · published 22 Apr 2026, 19:37:56 UTC

Gamepad quality of life patch and more bug fixes!

Hello Hunters! We just published another hotfix, this one includes some important quality of life updates: Bug fixes · Borderless fullscreen is now available: Hopefully this means less issues with alt-tabbing and gpu drivers, it's enabled by default on fresh installations but you may want to turn it on if you have existing settings. If you are one of the users experiencing issues with alt tabbi…

21 Apr 2026

16:12:37NewsLocalization Hotfix———Game update

Game update · published 21 Apr 2026, 16:12:37 UTC

Localization Hotfix

Fixes characters in Spanish, Spanish LATAM, Brazillian Portuguese, German

17 Apr 2026

18:09:50NewsHelp Us Test the Next Update!———Steam news

Steam news · published 17 Apr 2026, 18:09:50 UTC

Help Us Test the Next Update!

ZERO Sievert – Test the Next Update! Our next update is FULL of content, fixes and train skins (more on that later...) and we want you to jump in early to put it through its paces. This update brings a mix of new threats, new content, and meaningful quality-of-life improvements to the Zone. From a new roaming presence in the Swamp, to expanded storage systems that make your bunker cleaner, more…

19 Mar 2026

15:45:02NewsIt Is Happening...———Community

Community · published 19 Mar 2026, 15:45:02 UTC

It Is Happening...

Hello Hunters! Our latest dev update video has just gone live! You can check it out below... While the reports of more emissions and ghoul sightings have been rolling in, we’ve been heads down, not just looking at weapons on paper, but getting hands-on. Testing ergonomics. Handling. The way different setups actually feel when you use them and not just how they look. All of this is feeding direc…

2 Mar 2026

12:50:09NewsZERO Sievert - March Hotfix———22069566

Game update · published 2 Mar 2026, 12:50:09 UTC

ZERO Sievert - March Hotfix

Hello Hunters! We've just put live a hotfix which has a speculative fix for the crashes some of you have been experiencing. This one has been particularly difficult to reproduce, so as a starting point for tackling it, we've updated the Steam SDK which was.... just a few versions out of date... Update, jump in and let us know how it looks and feels. and most importantly... If you had the crash…

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18 Dec 2025

18:23:37NewsZERO Sievert Christmas Update Is Live!———21191416

In-game event · published 18 Dec 2025, 18:23:37 UTC

ZERO Sievert Christmas Update Is Live!

🎄 ZERO Sievert Christmas Update Is Live! The Christmas Event is back in ZERO Sievert! Jump into the Zone during the holidays to hunt for festive loot, upgraded airdrops, and new backpacks including drops from NPCs for the first time ever. 🎒 NPCs now drop backpacks 🎁 9 brand-new backpacks added 🎄 Christmas airdrops guaranteed festive gear Good luck out there, and get Santa some milk! 🎄 Chri…

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14 Nov 2025

14:47:14NewsThe Rotking Update: Hotfix———20799513

Game update · published 14 Nov 2025, 14:47:14 UTC

The Rotking Update: Hotfix

The Rotking Update: Hotfix Hello Hunters! Following the launch of The Rotking Update, we identified several stability issues that were causing unexpected crashes for some players. Thanks to your quick reports (and the log files you sent in), we were able to track these issues down and roll out a hotfix to address them. 💬 A THANK YOU TO THE COMMUNITY A huge thank you to everyone who took the ti…

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13 Nov 2025

19:00:08NewsThe Rotking Update———20738551

Major update · published 13 Nov 2025, 19:00:08 UTC

The Rotking Update

ZERO Sievert presents The Rotking Update Face the Rotking. Master the Chemicals. Survive the Zone. This update brings some of the biggest additions yet to ZERO Sievert — new bosses, enemies, factions, perks, and gear — alongside dozens of quality-of-life improvements and fixes. Face off against the Rotking , uncover chemical secrets beneath the Swamp, and encounter a new Industrial Faction with…

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30 Sep 2025

14:59:42NewsThe Armoury Update———20090021

Major update · published 30 Sep 2025, 14:59:42 UTC

The Armoury Update

WELCOME TO THE ARMOURY This update expands your arsenal like never before. The Armoury Update introduces five brand-new weapons , a deadly new ammunition type, and a host of quality-of-life features designed to make every raid smoother and deadlier. We’ve also made tweaks to NPC behaviour, recoil, and world systems to ensure firefights feel sharper and more immersive. 🔥 NEW WEAPONS The Zone ju…

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4 Aug 2025

16:15:46NewsThe Shooting Range Update is LIVE - Update 1.2.19———19061939

Major update · published 4 Aug 2025, 16:15:46 UTC

The Shooting Range Update is LIVE - Update 1.2.19

ZERO Sievert — Patch Notes WELCOME TO THE RANGE This patch introduces the long-requested Shooting Range , giving players a dedicated space to test weapons, experiment with builds, and sharpen their combat skills. We’ve also made meaningful improvements to the Prologue , enhancing the early-game experience, along with a range of UI, controller, and quality-of-life updates to keep ZERO Sievert ru…

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6 Jul 2025

19:43:35NewsZERO Sievert Community Screenshot Challenge———Community

Community · published 6 Jul 2025, 19:43:35 UTC

ZERO Sievert Community Screenshot Challenge

Have you got what it takes to kill a butt-ton of monsters, mercenaries and everything in-between, AND have the guts to capture the evidence? If so, we like your style... You have one goal: Kill as much stuff as possible and show it off in a single screenshot, Deadline: July 11th at 11:59 PM (your local time) RULES OF ENGAGEMENT · Use any game save you have, · All dead stuff much be within your…

5 Jul 2025

14:51:13NewsOur latest ZERO Sievert dev update is now live!———Community

Community · published 5 Jul 2025, 14:51:13 UTC

Our latest ZERO Sievert dev update is now live!

Our latest ZERO Sievert Dev Update is LIVE! And it's a doozy... We broke the game, we fixed the game, we're still on sale AND we're kicking off yet a rather morbid community competition... Watch to find out more! Don't forget to subscribe!

1 Jul 2025

17:09:27NewsHotfix 1.2.13 | Patch notes———19049999

Game update · published 1 Jul 2025, 17:09:27 UTC

Hotfix 1.2.13 | Patch notes

What's that? Another update?! Damn right it is! Sure, it's because we broke stuff... but you can't say we just left the bag, can you... Again, a massive THANK YOU to everyone who let us know you were experiencing issues and provided extra info on just how they were effecting you. This really helped and allowed us to quickly identify and resolve the issues. Here's the few notes for this hotfix:…

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30 Jun 2025

12:43:11NewsHotfix 1.2.12 | Patch notes - Steam Deck and Prologue Fixes———19010495

Game update · published 30 Jun 2025, 12:43:11 UTC

Hotfix 1.2.12 | Patch notes - Steam Deck and Prologue Fixes

That's right! We fixed the Steam Deck and Prologue issues we introduced with the latest update (sorry about that...) A massive THANK YOU to everyone who let us know you were experiencing issues and provided extra info on just how they were effecting you. This really helped and allowed us to quickly identify and resolve the issues. For those wanting the specifics, here's the few notes for this h…

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27 Jun 2025

20:35:51NewsOur Lowest Price EVER!!! ZERO Sievert's in the Steam Summer Sale———Sale

Sale · published 27 Jun 2025, 20:35:51 UTC

Our Lowest Price EVER!!! ZERO Sievert's in the Steam Summer Sale

Summer Starts Here with 25% Off ZERO Sievert in the Steam Summer Sale! The summer sun is blazing over Zakov, and so is the perfect chance to jump into the intense, post-apocalyptic world of ZERO Sievert, now 25% off (Our lowest price yet!) during the Steam Summer Sale! Explore procedurally generated maps, brave deadly anomalies, and scavenge your way to survival in this gripping top-down extrac…

26 Jun 2025

17:20:16NewsNEW UPDATE IS LIVE - The Prologue Update (1.2.4)———18518189

In-game event · published 26 Jun 2025, 17:20:16 UTC

NEW UPDATE IS LIVE - The Prologue Update (1.2.4)

THE PROLOGUE UPDATE IS LIVE - (Update 1.2.4) Buckle up Hunters, because The Prologue Update is here! This update is packed with game-changing upgrades that will level up your entire experience. From smoother menus to smarter systems, we’ve supercharged everything to make your journey more intuitive immersive and downright fun. Let’s jump into the highlights. New Game Flow and Difficulty Presets…

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15 May 2025

15:29:56NewsZero Sievert | Community Speedrun Challenge: #OrelRun———Community

Community · published 15 May 2025, 15:29:56 UTC

Zero Sievert | Community Speedrun Challenge: #OrelRun

🏃‍♂️ Zero Sievert Community Speedrun Challenge: #OrelRun Rules 🏃‍♂️ It’s time to load your mags, trust your instincts, and move fast—because this challenge isn’t for the faint of heart. In the radioactive ruins of Zero Sievert, only the quickest and sharpest survive. Your mission: kill Orel as fast as possible from a fresh save. You’ve got until June 13th to prove your skill, earn exclusive m…

13:22:51NewsMORE MOD TOOLS UPDATES! - Patch 1.1.15 | Patch Notes———Game update