IMHO.

Single-player games like That Rocket Game

Below are 9 single-player Steam games similar to That Rocket Game, 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 That Rocket Game page.

Ranked picks

  1. 1
    Monslice — Steam game cover

    Monslice

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

    Monslice is a short incremental game about slicing monsters, collecting resources, expanding your skill tree, and unlocking and buying more monsters!

    2026IndieCasualSingle-playerSimilar games →
  2. 2
    Idle Tides — Steam game cover

    Idle Tides

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

    Idle Tides is an idle incremental where your goal is simple: Catch as many fish as you can. Unlock new boats to automate your fishing, upgrade your fleet, and help the island with this fish overpopulation!

    IndieCasualSingle-playerSimilar games →
  3. 3
    Reflectory — Steam game cover

    Reflectory

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

    An idle incremental game about bouncing balls that lives in the corner of your screen.

    2027SimulationCasualSingle-playerSimilar games →
  4. 4
    Teeny Tidy — Steam game cover

    Teeny Tidy

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

    Teeny Tidy is a desktop idle game you can place on your screen! Oversee a tiny robot keep your room clean while you focus or unwind. Unlock countless upgrades, hats and rooms to personalize your robot and virtual space.

    2025IndieCasual3.99 USDSingle-playerSimilar games →
  5. 5
    Marble Ball Friends — Steam game cover

    Marble Ball Friends

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

    This is an online cooperative Corinth-game like game that can be enjoyed by one or all, based on the theme of healing in nature. Cooperate with other players and aim for the jackpot.

    2022IndieSimulationCasual3.99 USDSingle-playerSimilar games →
  6. 6
    Revive the Moonlight with Stardust — Steam game cover

    Revive the Moonlight with Stardust

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

    Destroy stars, collect stardust, and revive the lost moonlight. Roam the night sky freely to discover mysterious celestial bodies. Experience incremental growth.

    StrategyIndieSimulationSingle-playerSimilar games →
  7. 7
    Colorgrid — Steam game cover

    Colorgrid

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

    Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.

    2019StrategyCasual0.99 USDSingle-playerSimilar games →
  8. 8
    Lumpy — Steam game cover

    Lumpy

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

    Repair a desolate planet by reaching the perfect balance and sustaining life.

    2021IndieCasual0.99 USDSingle-playerSimilar games →
  9. 9
    That Racecar Game — Steam game cover

    That Racecar Game

    Single-player alternative to That Rocket Game — playable solo, no multiplayer required. Shares Indie with That Rocket Game.

    Casual Racing Experience. Play against friends locally, or against the AI.

    2023IndieRacing0.99 USDSingle-playerSimilar games →