IMHO.

Single-player games like MONOMOON

Below are 9 single-player Steam games similar to MONOMOON, 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 MONOMOON page.

Ranked picks

  1. 1
    Kuzo — Steam game cover

    Kuzo

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

    Explore an overgrown landscape of magic as you create your own platforms and shape your path through the world. Discover the history of a forgotten planet, collect relics to awaken your abilities, and create the very terrain you traverse.

    IndieAdventureSingle-playerSimilar games →
  2. 2
    EMUUROM — Steam game cover

    EMUUROM

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

    A creature-scanning metroidvania. Explore an ancient paradise before it's lost forever. Study the EMUUROM creatures, document your findings in the EMUUDEX, and use what you learn to unlock new paths.

    2026IndieAdventure11.24 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Quarion — Steam game cover

    Quarion

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

    A short 2D pixel-style metroidvania where you explore, fight bosses, aquire items and abilities and find secrets. Inspired by games such as You Have to Win the Game and VVVVVV.

    2025IndieAdventure0.99 USDSingle-playerSimilar games →
  4. 4
    Leap Year — Steam game cover

    Leap Year

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

    Leap Year is a clumsy platformer about knowledge and discovery. Explore a compact, hand drawn world filled with hidden paths. Understand the game’s secrets to reach new areas and collect all the pages of your calendar.

    2024ActionIndieAdventure4.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Öoo — Steam game cover

    Öoo

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

    A Bomb Caterpillar's Big Adventure! "Öoo" is a charming yet mysterious exploration puzzle platformer where you discover creative ways to use bombs!

    2025ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Isles of Sea and Sky — Steam game cover

    Isles of Sea and Sky

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

    A fantastic, oceanic, open world puzzle adventure. Solve innovative block puzzles while unearthing a mystifying story, gaining new friends that change the puzzle landscape, and unlocking powers that provide more options for how you choose to progress through the enigmatic Isles of Sea and Sky.

    2024IndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Mable & The Wood — Steam game cover

    Mable & The Wood

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

    Hunt down massive beasts and, upon destroying them, shapeshift into their forms in order to use their powers to save or destroy the world. Players with less violent intent can find secret paths to complete Mable without killing anything, including bosses.

    2019ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    Rain World — Steam game cover

    Rain World

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

    You are a nomadic slugcat, both predator and prey in a broken ecosystem. Grab your spear and brave the industrial wastes, hunting enough food to survive, but be wary— other, bigger creatures have the same plan... and slugcats look delicious.

    2017ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Spiritfall — Steam game cover

    Spiritfall

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

    Spiritfall is a fast-paced Action Roguelite with combat inspired by Platform Fighters. Slash, smash, launch, and wall-splat a multitude of enemies using an ever-changing arsenal of divine powers.

    2024ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →