IMHO.

Single-player games like Astrolander

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

Ranked picks

  1. 1
    Fire and Water: Spirits of the Forest — Steam game cover

    Fire and Water: Spirits of the Forest

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

    Embark on this two-player adventure in a colorful world to forge a strong bond with your friend, partner, or family. Overcome challenging puzzles. Unleash your unique playstyle using the diverse abilities of Fire, Water, and 5 other forest spirits.

    2026ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Fill The Void — Steam game cover

    Fill The Void

    Single-player alternative to Astrolander — playable solo, no multiplayer required. Shares Action with Astrolander.

    A satisfying game about consuming entire worlds to grow a black hole. Traverse small diaorama worlds as a black hole or as a sphere who can jump around and knock things over. Gain upgrades, new skins, abilities, stages, and collect everything in the world to view in your gallery.

    2026ActionCasualSingle-playerSimilar games →
  3. 3
    EMBER — Steam game cover

    EMBER

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

    EMBER is a dark cinematic 2.5D platformer. Descend through a beautiful and merciless world of ancient ruins, forgotten rituals, and creatures born from grief. Every path demands sacrifice, every mistake brings death, and sorrow alone walks beside you. Observe, endure, and rise again.

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Bobo and the Chest of Nightmares — Steam game cover

    Bobo and the Chest of Nightmares

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

    Jump, glide, and outsmart traps in this spooky 3D platformer! Smash obstacles, solve puzzles, and fend off evil spirits to defeat The Dream Master. Collect hidden treasures and restore joy to a world shrouded in darkness!

    2026ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Go! Super Awesome Monkey! — Steam game cover

    Go! Super Awesome Monkey!

    Single-player alternative to Astrolander — playable solo, no multiplayer required.

    Play as SAM in Go! Super Awesome Monkey and save the world from AI Tech Overlords in this cute 3D Platformer!  Collect pizza slices, coins, & floppy discs by spinning, dashing, and slamming (and more!) in 100+ levels. Play at your own pace: casually explore or speedrun to rise up the leaderboards!

    2027AdventureSingle-playerSimilar games →
  6. 6
    BeatBo — Steam game cover

    BeatBo

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

    BeatBo is a sidescroller rhythm platformer, where everything follows the beat of the music, with every level bringing a different and refreshing twist to rhythm platforming!  Follow the music, unleash your abilities to the beat with Brio and Oliy to save Rhythm City! 

    ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Dino Cleanup — Steam game cover

    Dino Cleanup

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

    Toxic goop has spread across the dinosaur land! Suck up the mess with your trusty vacuum and save the dinosaurs trapped in the muck. Explore multiple levels full of physics-based fun in a 3D world with 2D pixel sprites!

    2026ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Postal Party — Steam game cover

    Postal Party

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

    Postal Party is a chaotic multiplayer physics-based mail sorting party game for 1 to 4 players. Working together as an elite team of mail-bots scrambling to deliver parcels, dodge disasters, and somehow deliver on time.

    ActionIndieSingle-playerSimilar games →