IMHO.

Single-player games like Idle Roboto

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

Ranked picks

  1. 1
    Asteroid Core — Steam game cover

    Asteroid Core

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

    You are isolated on a small meteor and need to build a fire to escape before being destroyed by aliens. Use your limited space to create machines and obtain more and more resources. Enjoy this mix of puzzles, tower defense and incremental gameplay.

    2024StrategyIndieCasual0.49 USDSingle-playerSimilar games →
  2. 2
    Critical Point — Steam game cover

    Critical Point

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

    Critical Point is a retro sci-fi casual strategy game. You have to make the particle count in reactor cells exceed 4, surpassing the critical point of fission to generate energy required for interstellar voyages.

    2025StrategyIndieCasual2.49 USDSingle-playerSimilar games →
  3. 3
    Rock Crusher — Steam game cover

    Rock Crusher

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

    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 →
  4. 4
    Lazy Galaxy — Steam game cover

    Lazy Galaxy

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

    Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!

    2018StrategyIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Lazy Galaxy 2 — Steam game cover

    Lazy Galaxy 2

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

    Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!

    2022StrategyIndieRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Crystal Caves HD — Steam game cover

    Crystal Caves HD

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

    Return to the underground classic world of treasures and traps in the HD remake of Crystal Caves! Guide Mylo through puzzles and arcade challenges of your favorite episodes, then explore the whole new Episode loaded with all new puzzles, enemies, challenges, hazards and help Mylo get back home!

    2020Action7.99 USDSingle-playerSimilar games →
  7. 7
    Universe Horizon — Steam game cover

    Universe Horizon

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

    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
    Orbitmine — Steam game cover

    Orbitmine

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

    Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.

    2026StrategyIndieSimulation2.99 USDDeck PlayableSingle-playerSimilar games →