IMHO.

Single-player games like PolyPine

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

Ranked picks

  1. 1
    Equilinox — Steam game cover

    Equilinox

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

    Equilinox is a relaxing nature simulation game in which you can create and nurture your own ecosystems. Shape the world to your liking, cultivate and raise hundreds of different species, and evolve your wildlife to unlock more exotic plants and animals.

    2018IndieSimulationCasual9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    It Takes One Year To Beat This Game — Steam game cover

    It Takes One Year To Beat This Game

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

    Make one billion clicks and spend years to beat the game or show who is a really pro gamer here

    2025IndieSimulationCasual0.99 USDSingle-playerSimilar games →
  3. 3
    Simple Increment — Steam game cover

    Simple Increment

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

    Simple but addictive idle clicker game for those who just wants to relax and have some fun.

    2023StrategyIndieSimulation0.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    The Giant of Torridge Island — Steam game cover

    The Giant of Torridge Island

    Single-player alternative to PolyPine — playable solo, no multiplayer required. Shares Simulation and Casual with PolyPine.

    Help or hinder Torridge Island as you take control of a Giant in this sandbox of villagers, wildlife and natural disasters. Will the villagers praise you and beg for your return in the morning, or pray that you never reappear.

    2022SimulationCasualEarly Access5.99 USDSingle-playerSimilar games →
  5. 5
    Ropuka's Idle Island — Steam game cover

    Ropuka's Idle Island

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

    A cozy idle game that sits anywhere on your desktop. Watch the frog cut grass, upgrade his tools, and decorate the island while you work or relax.

    2025IndieSimulationCasual3.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Ant Keeping Simulator — Steam game cover

    Ant Keeping Simulator

    Single-player alternative to PolyPine — playable solo, no multiplayer required. Shares Simulation and Casual with PolyPine.

    Grow, feed and care for your colony of mighty ants in a realistic semi-idle simulation of ant keeping. Created in collaboration with ant keeping enthusiasts, Ant Keeping Simulator will be an accurate experience to ant keepers.

    2024SimulationCasual8.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    EvoLife — Steam game cover

    EvoLife

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

    Create and evolve your own digital lifeforms! Watch or interact as your creations adapt and thrive in a world governed by the laws of physics. Download now and start your own evolutionary journey!

    2022SimulationEarly Access9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Planetary Life — Steam game cover

    Planetary Life

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

    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 →