IMHO.

Single-player games like Astro-g

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

Ranked picks

  1. 1
    Filament — Steam game cover

    Filament

    Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Strategy and Indie with Astro-g.

    Solve challenging cable-based puzzles and uncover what really happened to the crew of The Alabaster. Now with Hint System (for those ultra tricky puzzles).

    2020StrategyIndie16.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Mr Boom's Firework Factory — Steam game cover

    Mr Boom's Firework Factory

    Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.

    Move Mr Boom's firework crates from the machines to the exit without destroying them. Beware though, as nothing is quite what it seems in the Firework Factory!

    2019ActionIndieSimulation2.99 USDSingle-playerSimilar games →
  3. 3
    Space Monkeys — Steam game cover

    Space Monkeys

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

    Space Monkeys is a solo-developed, fast-paced action game where you must unleash your inner ape to face 12 unique levels in space. Use skill and strategy to dodge lasers, evade enemies, and collect bananas in zero-gravity on your journey to escape a retro-styled evil space station.

    2022ActionIndie2.99 USDSingle-playerSimilar games →
  4. 4
    COCOON — Steam game cover

    COCOON

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

    From Jeppe Carlsen, the lead gameplay designer of LIMBO and INSIDE — COCOON takes you on an adventure across worlds within worlds. Master world-leaping mechanics and solve intricate puzzles to unravel a cosmic mystery.

    2023IndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Breakpoint — Steam game cover

    Breakpoint

    Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.

    Breakpoint is a twin-stick slasher where your weapons explode. Break through the swarm to claim your spot on the online leaderboard.

    2020ActionIndieCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Bit Blaster XL — Steam game cover

    Bit Blaster XL

    Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.

    Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

    2016ActionIndieCasual0.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Orbt XL — Steam game cover

    Orbt XL

    Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.

    Defy gravity in Orbt XL! A fast-paced, addictive, 'just-one-more-round' arcade score chaser. Stay in orbit, dodge obstacles, and rack up points, the closer you are to the black hole, the higher your score! Easy to learn, tough to master, and perfect for quick play sessions while waiting in queue.

    2017ActionIndieCasual0.99 USDSingle-playerSimilar games →
  8. 8
    Impulsion — Steam game cover

    Impulsion

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

    Impulsion is a fast-paced first-person platformer designed to play with your nerves and reflexes! Make your way through 25 levels of increasing difficulty by manipulating physics to your advantage, shooting force fields to slow down or speed yourself up and the environment!

    2018ActionIndie12.99 USDSingle-playerSimilar games →