Event
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…
Steam
ZERO Sievert
Also known as ZERO Sievert, steam:1782120, zero sievert
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...
Last update
5 Jun 2026
Players now
514
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- May 2026
- The AMA is Now Live on r/ZEROsievertHello 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!
- AMA with CABO and UNDERDOGHello 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…
- April 2026
- 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 re…Patch notes
- 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…Patch notes
- 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 driv…Store
- Localization HotfixFixes characters in Spanish, Spanish LATAM, Brazillian Portuguese, German
- 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 threat…Store
- March 2026
- 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 weapo…Store
- 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,…Patch notes
- December 2025
- 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…
- November 2025
- 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 l…Patch notes
Gallery
In-game media
Achievements
Community progression
Top picks from 57 Steam achievements, sorted by player unlock rates.
- First BloodDefeat your first enemy60.0%
- That Must've HurtDie for the first time54.1%
- All that for a Drop of Blood[Heal bleed]/[Heal HP] at 10HP or less39.1%
- BlacksmithCraft your first item35.6%
- ScavengerOpen 50 containers33.2%
- Man about TownComplete 5 daily quests27.1%