IMHO.

Single-player games like Slime Simulator

Below are 10 single-player Steam games similar to Slime Simulator, 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 Slime Simulator page.

Ranked picks

  1. 1
    Éclaircies — Steam game cover

    Éclaircies

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

    Lost in a bewildering forest, discover a new way to run and walk through a vast and intricate environment. Create new trails, map the forest, leave your mark and use the stars to chart your way out as you make the most of your journey.

    2026ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  2. 2
    Ravenwood Acres — Steam game cover

    Ravenwood Acres

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

    You’re the newest resident of Ravenwood Acres in years; given a parcel of land by the town’s mayor, your life is at your fingertips. Will you train to become a legendary blacksmith, brave the wilderness as a knight, or live a quiet life on the farm tending crops and nurturing sprites?

    IndieSimulationRPGSingle-playerSimilar games →
  3. 3
    Delivery Kore — Steam game cover

    Delivery Kore

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

    It is an open world adventure game that tells the story of Kore, a girl who lives in Eleusis, a forest in Middle-earth where spirits gather, and Poring, who was born from Soul Jams. Become Kore, a forest girl, explore the forest of Eleusis with Poring, and deliver Poring to a new world.

    2023IndieAdventureCasual16.99 USDSingle-playerSimilar games →
  4. 4
    GRAV Fishing — Steam game cover

    GRAV Fishing

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

    A relaxing fishing adventure where the fish have floated into space. Explore Aquaria, rescue floating sea life with your gravity rod, and restore the planet’s lost ecosystem.

    IndieAdventureSimulationSingle-playerSimilar games →
  5. 5
    Idyllic cats: Japan — Steam game cover

    Idyllic cats: Japan

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

    You love cats, right? Then team up with up to 4 friends or search for them alone in colorful Japan! They will run away and hide in new places. Will you find them all?

    2024IndieAdventureSimulation9.99 USDSingle-playerSimilar games →
  6. 6
    Tamespire — Steam game cover

    Tamespire

    Single-player alternative to Slime Simulator — playable solo, no multiplayer required. Shares Indie and Casual with Slime Simulator.

    A cozy-dark creature-collection roguelite deckbuilder. Tame Spirelings, fuse their moves into a living deck, and climb a Spire that rebuilds itself every run. Evolve your team, master five clashing elements, and push your luck through endless Ascensions.

    2026ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  7. 7
    Fishu — Steam game cover

    Fishu

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

    A cozy solo and online multiplayer fishing adventure where you explore atmospheric regions, discover mysterious secrets, collect rare and mythical fish, complete research aquariums, and uncover a world filled with lore, quests, and hidden mysteries.

    IndieAdventureSimulationSingle-playerSimilar games →
  8. 8
    I commissioned some cats 7 — Steam game cover

    I commissioned some cats 7

    Single-player alternative to Slime Simulator — playable solo, no multiplayer required. Shares Indie and Casual with Slime Simulator.

    I paid artists to hide cats and wool in 15 pieces of artwork. Can you find them all? Warning: Relaxing.

    2023IndieCasual3.99 USDSingle-playerSimilar games →
  9. 9
    Qipa World-Hello Big Adventure — Steam game cover

    Qipa World-Hello Big Adventure

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

    A lot of time (depending on your skill, hours to days) Up to dozens of background music. Well-designed game levels. Complete story, multiple game stages. Beautiful and fantastic art style. Dozens of achievements. Multiple leaderboards. This is a very challenging game. It can be very difficult, but you are worth trying.

    2018IndieAdventureCasual0.99 USDSingle-playerSimilar games →
  10. 10
    World of blind — Steam game cover

    World of blind

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

    This is a game that simulates blind people. In the dark game, you can discover different animals and natural environments through the sounds coming from the surroundings, and unlock related achievements. you can simulate the movement of blind people

    2025IndieSimulationRPG0.99 USDSingle-playerSimilar games →