IMHO.

Single-player games like ZERO Sievert

Below are 14 single-player Steam games similar to ZERO Sievert, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like ZERO Sievert page.

Ranked picks

  1. 1
    Atomic Exile — Steam game cover

    Atomic Exile

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    Atomic Exile is a top down post-apocalyptic extraction shooter set in the desert wastelands of near future America. You will visit enclaves, explore devastated ruins and encounter NPCs such as other survivors, raiders, mutated beasts and rogue machines.

    2025ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Escape From Duckov — Steam game cover

    Escape From Duckov

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    Escape from Duckov is a PVE indie survival RPG — in a duck's world!. Scavenge for resources, build your hideout, and upgrade your gear in the world of Duckov. Start from nothing and rise to the top. Outwit hostile ducks, survive, or make it out alive.

    2025ActionIndieAdventure15.29 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Blood Running — Steam game cover

    Blood Running

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Adventure with ZERO Sievert.

    Blood Running is a stylish extraction shooter where you'll enter the cyber-wasteland, fight off creatures and bandits, loot valuable gear, and venture into the remnants of a world in ruins. Are you willing to bleed to survive, Blood Runner?

    2025ActionAdventureSimulation16.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Exit Ways — Steam game cover

    Exit Ways

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Adventure with ZERO Sievert.

    🛠️🔫🚁Test your luck in the extraction shooter with survival elements. Build your camp, exterminate the contaminated and evacuate the civilians.

    2026ActionAdventureSingle-playerSimilar games →
  5. 5
    Dreadweave — Steam game cover

    Dreadweave

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    A post-Soviet extraction horror shooter set in a ghost town split between reality and its dark reflection, where a creature hunts your heartbeat. Loot, fight, and extract before your pulse gives you away.

    2026ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    EMPTY SHELL 2 — Steam game cover

    EMPTY SHELL 2

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    Take on the roles of expendable volunteers sent to a forsaken facility on a remote Japanese island. Recover lost data, scavenge for resources, manage your inventory, and endure unspeakable cosmic horrors. In this top-down extraction survival horror, every expedition is a journey back from madness.

    ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Deadline Escape — Steam game cover

    Deadline Escape

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    Deadline Escape is a Low Poly Extraction Looter Shooter that throws you into a Post-Apocalyptic World. Scavenge for valuable resources, face deadly enemies and fight for your survival as the clock ticks down toward the deadline.

    2026ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    ZERO Sievert 2 — Steam game cover

    ZERO Sievert 2

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    ZERO Sievert 2 is a top-down PvE extraction shooter set in the ruined country of Zakov. Hunt alone or with a crew, face anomalies, bandits, and mutants, and make it out alive.

    ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    Stalker — Steam game cover

    Stalker

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Indie and Adventure with ZERO Sievert.

    The background story of "Stalker" is that a teenager encounters various events on the road following a young girl. The teenager(player) can selectively interact and give repairs / help due to these events. How you will lead to different ending. The game was developed during the Global Game Jam 2020.

    2020IndieAdventureRPG0.99 USDSingle-playerSimilar games →
  10. 10
    Project Zomboid — Steam game cover

    Project Zomboid

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Indie with ZERO Sievert.

    Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..

    2013IndieSimulationRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Quasimorph — Steam game cover

    Quasimorph

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Indie with ZERO Sievert.

    Take on a role of a hardened PMC fighter in a dark turn-based cyberpunk RPG. Engage in unforgiving combat, manage your ship and pile up the bodies of your clones to unravel the dark mystery behind threat to all life.

    2023StrategyIndieSimulation19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    S.T.A.L.K.E.R.: Shadow of Chernobyl — Steam game cover

    S.T.A.L.K.E.R.: Shadow of Chernobyl

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action with ZERO Sievert.

    S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes.

    2007ActionRPG19.99 USDSingle-playerSimilar games →
  13. 13
    Night Raider — Steam game cover

    Night Raider

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Indie and Adventure with ZERO Sievert.

    Night Raider is a thrilling adventure exploration shooter game. Players need to carry weapons into the city occupied by zombies, as far as possible in various buildings to collect necessary supplies, evacuate alive to bring supplies back to the camp. But you have to face are not just zombies...

    2024IndieAdventure5.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Hell is Others — Steam game cover

    Hell is Others

    Single-player alternative to ZERO Sievert — playable solo, no multiplayer required. Shares Action and Indie with ZERO Sievert.

    Hell is Others is an extraction top-down shooter combining roguelike elements. Outside the safety of your apartment lies the noir hellscape that is Century City. A city of endless night that straddles the line between reality and insanity. Explore, hunt, and loot in a place where blood is currency.

    2022ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →