Steam app 1782120 · updated 13 Sep 2026, 07:23 UTC
Now with over 600,000 copies sold, ZERO Sievert is a tense top-down extraction shooter that challenges you to scavenge a procedurally-generated wasteland, loot gear, and explore what’s left of a devastated world. When the odds are stacked against you, you’ll need to do more than just survive...
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
47 months, November 2022 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 424 hourly samples from 14 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
13 days as the curve, each the highest figure that day. Behind it, 295 hourly samples. Each dip is a night. Weekends are shaded.
ZERO Sievert was released on Oct 23, 2024.
Blood spatter and violence depicted in a pixel art format. Some adult language can be found in character interactions and dialogue.
| Language | Full audio |
|---|---|
| English | ● |
| German | ● |
| Spanish - Spain | ● |
| Japanese | ● |
| Korean | ● |
| Portuguese - Brazil | ● |
| Simplified Chinese | ● |
| Spanish - Latin America | ● |
| French | ● |
| Italian | ● |
| Polish | ● |
| Russian | ● |
| Turkish | ● |
A blank audio cell means full audio was not marked in the returned language list.
ZERO Sievert - Accolades Trailer
Watch on Steam
ZERO Sievert - The Phantom Update Trailer
Watch on Steam
ZERO Sievert - Launch Trailer
Watch on Steam59 achievements in total.
50 developer announcements, Nov 2024 to Sep 2026 · times in UTC
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…
shoe.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…
shoe.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…
shoe.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.PerformanceLaptops should now correctly detect and use the discrete graphics…
Patch notesHunters!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…
shoe.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…
shoe.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…
shoe.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…
shoe.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…
shoe.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!
UD_EthanHello 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…
UD_EthanHello 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…
UD_EthanOops! 😓 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…
Patch notesHello Hunters!We just published another hotfix, this one includes some important quality of life updates:Bug fixesBorderless fullscreen is now available: Hopefully this means less issues with alt-tabbing and gpu drivers, it's enabled by…
Patch notesFixes characters in Spanish, Spanish LATAM, Brazillian Portuguese, German
Patch notesZERO 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…
shoe.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…
shoe.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…
Patch notes🎄 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.🎒…
shoe.The Rotking Update: HotfixHello 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)…
Patch notesZERO Sievert presents The Rotking UpdateFace 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…
shoe.WELCOME TO THE ARMOURYThis 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…
shoe.ZERO Sievert — Patch NotesWELCOME TO THE RANGEThis 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…
shoe.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…
shoe.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!
shoe.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…
Patch notesThat'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…
Patch notesSummer 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!)…
shoe.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…
shoe.🏃♂️ 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…
shoe.🛠️ ZERO Sievert – Patch 1.1.15 | Patch Notes {STEAM_CLAN_IMAGE}/41319473/6c72d9790e1bd9245df35d22f47ba5cdbb88f56c.png 🐛 Bug Fixes & Quality of Life Inventory sorting now works as expected when sorted by type – thanks to those who reported…
Patch notes🛠️ ZERO Sievert – Hotfix 1.1.13 | Patch Notes 💬 Here We Go Again You know how it goes… New update drops, some bugs sneak through the cracks, and everything's a little... crunchy. So we’ve kicked down the bunker door and patched up a bunch…
Patch notesHello, Hunters! Today we’re excited to announce the official launch of Modding Tools for ZERO Sievert with patch 1.1.12. {STEAM_CLAN_IMAGE}/41319473/5946c85e2c1efca487f322b65b8007f51fd274a2.jpg 🛠️ MODDING TOOLS The Steam Workshop is…
ClarkeyHello, Hunters! Episode 16 of the Bunker Report is now live! In today's video we're giving you the latest info on our modding launch coming next week, some developer tips and tricks, and lastly a quick recap on some of the top reported…
ClarkeyHello, Hunters! Episode 15 of the Bunker Report is now live! Today's video: covers the latest on the mod beta testing, some upcoming fixes we have in the pipeline, and going through some of the latest reported issues in the game. Check out…
ClarkeyHello Hunters! Shoe is back in this week's Bunker Report! Topics covered in this week's video: an update on the beta testing, controller support, and talking through a couple of the most reported issues in the game. Check out the video!…
ClarkeyHello Hunters! Exciting things are coming soon to ZERO Sievert but we need your help! We know this community has played a pivotal role in the development of ZERO sievert over the years so we are now actively recruiting for beta testers. Who…
ModernWolf_LydiahGreetings Hunters! Ever wondered, which is the best faction in ZERO Sievert? Which faction should I actually join? No worries, we've got you covered because Oscar Mikey is back again this week to guide us through the treacherous wasteland…
ModernWolf_LydiahFIXES Player is not irradiated by radioactive rain - The radioactive rain should now register on the PDA and affect the player. Future weather forecasting was not displaying correct weather changes - The weather station kit should now…
Patch notesHello Hunters! This week's Bunker Report has been taken over by our favourite ZERO Sievert player Oscar Mikey! In today's video he's sharing with us some handy tips and tricks for more newer players to the game. Some of you more experienced…
ModernWolf_LydiahHunters, brace yourselves Zakov just got a whole lot more unpredictable! We’re excited to introduce our latest update 1.0.16, which brings a dynamic weather system, seasons, and a new survival mechanic to the game!…
ModernWolf_LydiahHello hunters and welcome back to the bunker! Here is what we cover in today's episode of the Bunker Report 🫡 For those who haven't played since Early Access, did you know we have a new Weapons Skill System? Here's a rundown of what this…
ModernWolf_LydiahHello hunters and welcome back to the bunker! Last week we kicked off our first community speedrun competition right here in the bunker, where we challenged you to speedrun unlocking the second map, Makeshift camp, as quickly as possible.…
ModernWolf_Lydiah🏃♂️ ZERO Sievert Speedrun Competition: Unlock Makeshift Camp! 🚂 Hunters, it’s time to put your skills to the test in our first-ever Speedrun community competition straight from the Bunker! Think you have what it takes to be the fastest…
ModernWolf_LydiahHello hunters and welcome back to the bunker! One of the recent topics of discussion on here has been about this series itself, with players unsure or confused about the purpose of these videos and what they can expect from them going…
ModernWolf_LydiahHello Hunters and welcome to the Bunker! 🔫 We've started up our first ZERO Sievert video series, where you'll get all the latest updates about what's going on in Zakov. We'll be sharing details on upcoming features, bug fixes, sales, and…
ModernWolf_LydiahZERO Sievert is part of TGAGWCAGA 2024! {STEAM_CLAN_IMAGE}/41319473/4f8f30aa590be227c98e5d36ca0f9418079c38ed.jpg We’re thrilled to announce that ZERO Sievert will be featured in TGAGWCAGA 2024—The Game Awards for Games Who Can't Afford the…
ModernWolf_LydiahIT’S TIMEEE! 🔔🎄 Get ready for a truly festive event this season because Santa is back and with a BANG 💥 For all the new hunters that have joined us this year and for those who might have missed out on last year's festivities, we’ve brought…
ModernWolf_Lydiah{STEAM_CLAN_IMAGE}/41319473/b835af307fbdc1d2c124f50e2887f742102bc56f.jpg The chill of autumn has swept into Zakov, and so has the perfect chance to grab ZERO Sievert at a discount! As part of the Steam Autumn Sale, you can pick up this…
ModernWolf_LydiahHello Hunters! We’re releasing a new patch today 1.0.7 to fix a number of issues that we’ve been tracking either from our ongoing testing internally, or from community reports. (For those interested in game dev, the reason for the build is…
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | ZERO Sievert.exe | windows |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG