IMHO.

Single-player games like AsteroIdle

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

Ranked picks

  1. 1
    SEARCH ALL - LOLLIPOPS — Steam game cover

    SEARCH ALL - LOLLIPOPS

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

    is a hidden object game in which you need to find all the lollipops in a large location. The lollipops will be located in a variety of places, from the most prominent to barely noticeable places

    2024IndieCasual1.99 USDSingle-playerSimilar games →
  2. 2
    Deep Space Cache — Steam game cover

    Deep Space Cache

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

    Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

    2024StrategyIndieCasual0.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Everhex — Steam game cover

    Everhex

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

    Build one tower. Hold endless waves. Spend what each wave drops on damage, crit and six weapon mounts firing at once — then bank the run into a 453-node passive tree that carries into the next. A premium incremental tower defence: no ads, no timers, no energy bars.

    2026StrategyIndieCasualSingle-playerSimilar games →
  4. 4
    Feudal Fantasy Incremental — Steam game cover

    Feudal Fantasy Incremental

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

    Feudal Fantasy is a short active incremental game in which you rebuild a town once lost to tragedy as its lord, by managing upgrades, new buildings and recruiting the wisdom of fantasy races.

    2023StrategyIndieSimulation1.49 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    blackhole simulator — Steam game cover

    blackhole simulator

    Single-player alternative to AsteroIdle — playable solo, no multiplayer required. Shares Casual with AsteroIdle.

    Start as a small black hole suck up the galaxy and evolve into the legendary black hole!

    2025Casual2.99 USDSingle-playerSimilar games →
  6. 6
    Milky Way Jigsaw Puzzles — Steam game cover

    Milky Way Jigsaw Puzzles

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

    Embark on a cosmic journey with "Milky Way Jigsaw Puzzles". Solve puzzles featuring stars, galaxies, and celestial wonders while unlocking Steam Achievements. Dive deep into the universe, learn astronomical facts, and connect with fellow puzzle enthusiasts. Your galactic adventure awaits!

    2023StrategyIndieAdventure1.99 USDSingle-playerSimilar games →
  7. 7
    Universe Horizon — Steam game cover

    Universe Horizon

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

    An idle incremental game where you decide to travel across the whole Universe. Embark on this journey in your little ship and get as far away as possible from Earth, gathering resources and upgrading your spaceship along the way.

    2025StrategyIndieAdventure2.99 USDSingle-playerSimilar games →
  8. 8
    Rock Crusher — Steam game cover

    Rock Crusher

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

    Rock Crusher is an incremental game with a massive skill tree. Control a little rock-crushing machine stranded on a mysterious planet. Crush rocks, collect materials, evolve through upgrades, uncover the planet’s secrets - and maybe, just maybe, find a way to escape.

    2025ActionStrategyIndie4.89 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Lameguards — Steam game cover

    Lameguards

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

    Stuck in a cave full of hungry predators, a researcher rescues the gentle, passive prey and helps them build up their strength. They have only one shared goal: SURVIVAL!

    ActionStrategyIndieSingle-playerSimilar games →