IMHO.

Free games like Unknown Horizons

Below are 9 free-to-play Steam games similar to Unknown Horizons, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

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

Ranked picks

  1. 1
    ENA: Dream BBQ — Steam game cover

    ENA: Dream BBQ

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Adventure with Unknown Horizons.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedFree to playSimilar games →
  2. 2
    The Looker — Steam game cover

    The Looker

    Free-to-play alternative to Unknown Horizons — no purchase or trial window.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableFree to playSimilar games →
  3. 3
    NGU IDLE — Steam game cover

    NGU IDLE

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Adventure and Simulation with Unknown Horizons.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableFree to playSimilar games →
  4. 4
    Grimm's Hollow — Steam game cover

    Grimm's Hollow

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Adventure and RPG with Unknown Horizons.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Expendabros — Steam game cover

    The Expendabros

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Adventure with Unknown Horizons.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Magic Archery — Steam game cover

    Magic Archery

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Simulation and RPG with Unknown Horizons.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableFree to playSimilar games →
  7. 7
    Eternal Senia — Steam game cover

    Eternal Senia

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares RPG with Unknown Horizons.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableFree to playSimilar games →
  8. 8
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Unknown Horizons — no purchase or trial window.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableFree to playSimilar games →
  9. 9
    Naev — Steam game cover

    Naev

    Free-to-play alternative to Unknown Horizons — no purchase or trial window. Shares Adventure and Simulation with Unknown Horizons.

    Naev is a game about space exploration, trade and combat. Players travel the galaxy and earn money by trading, fighting and performing missions.

    2017ActionIndieAdventureFreeFree to playSimilar games →