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
    Escape from Junglekov — Steam game cover

    Escape from Junglekov

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

    Use limited resources to try to acquire more equipment, and then continuously explore the scene to survive.

    2026ActionStrategyIndie3.19 USDSingle-playerSimilar games →
  4. 4
    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 →
  5. 5
    Rontgard — Steam game cover

    Rontgard

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

    A tense top-down post-apocalyptic survival shooter where every bullet, bandage, and inventory slot matters.

    ActionSingle-playerSimilar games →
  6. 6
    Escape from Ashville — Steam game cover

    Escape from Ashville

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

    Loot, fight and extract — or lose everything. A high-risk extraction shooter focused on survival, tactical combat, and meaningful decisions.

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    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.

    Exit Ways is a PvEvP survival extraction shooter. Grow your community in a zombie apocalypse. Rescue survivors, craft gear and build a base.

    2026ActionAdventureSingle-playerSimilar games →
  8. 8
    No Such Place — Steam game cover

    No Such Place

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

    Welcome to the Unknown Research Consortium (U.R.C.), where you’re tasked with conducting reconnaissance missions, terminating unknown threats, gathering crucial information, and reaching the evacuation point in this treacherous top-down extraction shooter.

    2026ActionIndieAdventureSingle-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 →