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Steam app 1782120 · updated 10 Sep 2026, 17:19 UTC

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...

History chartsJune 2026 to September 2026
Last 30 days+106.5Gain+14.72%% gain1,796Peak
ZERO Sievert Steam header artwork
CABO StudioModern Wolf
419playing now
75224-hour peak
6,097all-time peak
829average, last 30 days

Game information

Updated 10 Sep 2026, 17:19 UTC
App ID
1782120
Product type
Game
Developer
CABO Studio
Publisher
Modern Wolf
Release date
23 Oct, 2024
Release status
Released
Early Access
Platforms
Windows
Genres
Action, Adventure, Indie
Game modes
Single-player
Controller support
Full
Declared DRM
Achievements
59
Steam Deck
Verified
Metacritic
81

Features & support

Steam features

Steam AchievementsSteam WorkshopSteam CloudFamily Sharing

Controllers & input

Full controller supportDualShock Controller SupportDualSense Controller Support

Accessibility

Popular tags

Extraction ShooterSurvivalPost-apocalypticLooter ShooterPixel GraphicsTop-DownShooterOpen WorldSingleplayerActionIndieAdventureLootExplorationSimulationEarly AccessBase BuildingAtmosphericStrategySurvival Horror
About this gameFull description from Steam
Thank you for over 600,000 copies sold! Half a million players have stepped into the radioactive ruins, scavenged for precious loot, and fought tooth and nail to make it out alive. That number represents not just sales, but stories. Thousands of extraction runs, loadouts tested, factions faced, and unforgettable moments of survival and chaos. For those who are making runs into the radioactive wasteland, THANK YOU! And for those of you thinking if you should join them, well, I know 600,000 reasons why you should... Happy hunting... The world has ended. ZERO Sievert charges you with scavenging equipment across multiple areas, all set in an atmospheric fictitious post-apocalyptic Eastern Europe setting. Your base of operations, the bunker, is filled with traders, modding stations, and areas to make your own, providing you with progression across your excursions into the wild. Once you’re out in the wilds of the wasteland, however, the situation becomes a lot less secure. Across the six biomes of the game, you’ll initially be armed with little more than a gun and a bottle of water, after which point it’s up to you to recover items, take out bandits, and most importantly, get back alive. And be warned; the nuclear fallout may have impacted some of the local wildlife… Learn To Survive, Fast With a complete new hunter experience, our tutorial takes you (loosely) by the hand and equips you with the knowledge, skills and guns you'll need to to survive and thrive in the world of ZERO Sievert. A Wasteland to Explore Procedurally generated maps make every journey different, with ever-changing hiding spots, loot locations, weather, and layouts. With six maps to explore, be sure to adapt and learn each one's secrets to get in, get out, and get better. Full Weapon Modification Hunt in a way that suits your playstyle, with over 50 unique guns and 150 mods that can be combined to make you the biggest threat in the wastes of ZERO Sievert. Create a weapon that suits your style or focus on stats to become the ultimate hunter. Maximise Your Gear and Skills As you survive the harsh wasteland you’ll gain experience, sharpening your skills and unlocking new ways to become a deadly hunter. The Weapon Skill System allows you to level up various weapon types, boosting stats such as reload speed, damage, movement speed, and even unlocking unique perks tailored to each weapon. Beyond weapon XP, you can level-up your hunter with unique perks to help navigate the wasteland, tackle tough challenges, and take on more enemies. Choose your Faction In Zakov you’ll encounter The Green Army, a group dedicated to maintaining law and order, or the Crimson Corporation, a global pharmaceutical and technology giant. As a hunter you can choose a faction, earn reputation, unlock unique faction quests, and collect special, high-tier loot to aid you in your journey throughout the wasteland! Looting and Questing Multiple questlines guide you through the world of ZERO Sievert. Through talking with a range of characters you’ll slowly unravel information and lore about the world that’s been left behind. Alongside this, there are more than 100 different items to loot which can be used to craft new items, upgrade your own base, and trade. Modding & Steam Workshop The Steam Workshop offers all new ways for you to experience the post-apocalyptic world of Zakov. Dive into a wide range of game changing mods that introduce new weapons to your arsenal, factions for you to work for, NPC’s to discover, quests, languages, and much more.
Content & age ratingsSteam content notice · 2 regional ratings

Content notice

Blood spatter and violence depicted in a pixel art format. Some adult language can be found in character interactions and dialogue.

Regional ratings

DEJUS14Linguagem imprópria · Drogas lícitas · Violência fantasiosa
IGRS18Rokok dan/atau rokok elektronik, minuman beralkohol, narkotika, psikotropika, dan/atau zat adiktif lainnya · Horor · Penggunaan bahasa
System requirementsMinimum and recommended hardware

Minimum

Minimum: OS: Windows 10 Processor: Intel Core 2 Duo E8400 Memory: 4 GB RAM Graphics: Integrated GPU Storage: 300 MB available space Additional Notes: May struggle on older laptops

Recommended

Recommended: OS: Windows 10 Processor: 1.7 GHz Dual Core CPU Memory: 4 GB RAM Graphics: NVIDIA GeForce GTX 260, ATI Radeon 4870 HD Storage: 300 MB available space Additional Notes: Everything that's not 7+ years old
Supported languages13 languages
LanguageFull 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.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

59 achievements in total.

Show selected achievements (may contain spoilers)
First BloodAchievement
That Must've HurtAchievement
Die TryingAchievement
BlacksmithAchievement
Gun for HireAchievement
ScavengerAchievement
Pest ControlAchievement
HandymanAchievement
HeadhunterAchievement
A Big WinAchievement

View all Steam achievements