IMHO.

Single-player games like Sinner Maker

Below are 8 single-player Steam games similar to Sinner Maker, 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 Sinner Maker page.

Ranked picks

  1. 1
    Reus 2 — Steam game cover

    Reus 2

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Indie and Simulation with Sinner Maker.

    Shape worlds with your godly titans. Make symbiotic ecosystems and inspire humanity with your creations. Their achievements unlock new possibilities. Make different planets for different human spirits, and fill the universe with life!

    2024StrategyIndieSimulation24.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    MeowFactory — Steam game cover

    MeowFactory

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Indie and Simulation with Sinner Maker.

    Welcome to the MEOWFACTORY! Automate production lines and manage limited space to achieve perfection. Connect machines with conveyor lines and minimize hand (well, paw) labour! In the near and depressing future, when the world is on the verge of destruction, ONLY MEOWORKERS can revive production!

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Vonkelveld — Steam game cover

    Vonkelveld

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Indie and Simulation with Sinner Maker.

    Kindle a world where every light is a living soul. Shape it — never command it — then fall from the heavens to a single life and follow it. Ask why about anything and get the real causal chain. The stakes always win; how long and how brightly your world burns is the score.

    2026StrategyIndieSimulation12.74 USDSingle-playerSimilar games →
  4. 4
    Mars Attracts — Steam game cover

    Mars Attracts

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Simulation with Sinner Maker.

    Mars Attracts is a park management sim set in the iconic universe of Mars Attacks™. Play as the devious Martians as you construct detailed enclosures, manage staff, and most importantly - abduct and experiment on humans for the entertainment of your Martian guests!

    2025ActionStrategyAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Frostward — Steam game cover

    Frostward

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Simulation with Sinner Maker.

    Build a settlement. Survive the winter. In this procedural colony simulator, your villagers are your lifeline. Guide them through a harsh wilderness and expand a struggling camp into a massive, thriving colony island.

    SimulationSingle-playerSimilar games →
  6. 6
    Life of a Lonely Indie Game Developer — Steam game cover

    Life of a Lonely Indie Game Developer

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Indie and Simulation with Sinner Maker.

    "Create the games you want, at the time you want, and live doing only what you love." In this realistic life simulation game, an independent game developer dreams of such a life, struggling with money and time while paying taxes until death. Whether this life is happy or truly lonely, you decide.

    2026IndieSimulationCasualSingle-playerSimilar games →
  7. 7
    Planetary Life — Steam game cover

    Planetary Life

    Single-player alternative to Sinner Maker — playable solo, no multiplayer required. Shares Indie and Simulation with Sinner Maker.

    Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!

    2025StrategyIndieSimulation11.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Love Tavern — Steam game cover

    Love Tavern

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

    After your death due to a car accident, you have been summoned by the goddess to take care of a tavern in an Isekai world. Your job is to hire different girls from various tribes and races to help out the business there, as well as build up room by room of the tavern to expand the business.

    2023ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →