IMHO.

Single-player games like MO:Astray

Below are 10 single-player Steam games similar to MO:Astray, 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 MO:Astray page.

Ranked picks

  1. 1
    Celeste — Steam game cover

    Celeste

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Help Madeline survive her inner demons on her journey to the top of Celeste Mountain, in this super-tight platformer from the creators of TowerFall. Brave hundreds of hand-crafted challenges, uncover devious secrets, and piece together the mystery of the mountain.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Iconoclasts — Steam game cover

    Iconoclasts

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Join renegade mechanic Robin and uncover the secrets of a dying planet. Explore a big world filled with intricate puzzles, interesting characters and menacing bosses in a beautiful platform adventure that tells a personal story about faith, purpose and the challenge of helping people.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Valfaris — Steam game cover

    Valfaris

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole.

    2019ActionIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Blasphemous — Steam game cover

    Blasphemous

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Blasphemous is a brutal action-platformer with skilled hack’n slash combat set in the nightmare world of Cvstodia. Explore, upgrade your abilities, and perform savage executions on the hordes of enemies that stand between you and your quest to break eternal damnation.

    2019ActionIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    YesterMorrow — Steam game cover

    YesterMorrow

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    YesterMorrow is a single-player time travelling 2D platformer, mixing action sequences with puzzle elements. Follow the engaging story of Yui, who travels back into the past to save her family and the remnants of a world now trapped in Never-ending Night.

    2020ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Prodeus — Steam game cover

    Prodeus

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

    2022ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Horace — Steam game cover

    Horace

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    "The best platformer of 2019."Horace is a huge platforming adventure which pushes the boundaries of the genre with a profound story of a small robot learning of life, the universe and Douglas Adams. Made by videogame lovers for videogame lovers!

    2019ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    The Way — Steam game cover

    The Way

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Journey to another planet and discover its secrets in order to bring your loved one back to life. Experience an adventure, inspired by old school classics like Another World, Heart of Darkness and Flashback.

    2016ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  9. 9
    Rain World — Steam game cover

    Rain World

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    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 →
  10. 10
    Hollow Knight — Steam game cover

    Hollow Knight

    Single-player alternative to MO:Astray — playable solo, no multiplayer required. Shares Action and Indie with MO:Astray.

    Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →