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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
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…

29 changesFixGameplay
Latest updates

Update history

Browse past updates and patch notes for this game.

21updates

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%