IMHO.

Single-player games like Leaks In Space

Below are 8 single-player Steam games similar to Leaks In Space, 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 Leaks In Space page.

Ranked picks

  1. 1
    Void Destroyer 2 — Steam game cover

    Void Destroyer 2

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Adventure with Leaks In Space.

    Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

    2020ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Deep Space Outpost — Steam game cover

    Deep Space Outpost

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Leaks In Space.

    Deep Space Outpost is a space station building & survival game, involving resource and base management. Build your space station tile by tile, mine asteroids, refine materials and keep your station operational.

    2022StrategyIndieSimulation15.99 USDSingle-playerSimilar games →
  3. 3
    Avorion — Steam game cover

    Avorion

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Leaks In Space.

    A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.

    2020ActionIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Drifter — Steam game cover

    Drifter

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Leaks In Space.

    Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.

    2014ActionIndieSimulation11.99 USDSingle-playerSimilar games →
  5. 5
    Rocket Science — Steam game cover

    Rocket Science

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Simulation and Early Access with Leaks In Space.

    Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

    2020StrategySimulationEarly Access19.99 USDSingle-playerSimilar games →
  6. 6
    Astrox: Hostile Space Excavation — Steam game cover

    Astrox: Hostile Space Excavation

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Adventure with Leaks In Space.

    Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.

    2015IndieAdventureSimulation9.99 USDSingle-playerSimilar games →
  7. 7
    SpaceEngine — Steam game cover

    SpaceEngine

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Indie and Simulation with Leaks In Space.

    The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

    2019IndieSimulationCasual20.99 USDSingle-playerSimilar games →
  8. 8
    Dimensions: Dreadnought Architect — Steam game cover

    Dimensions: Dreadnought Architect

    Single-player alternative to Leaks In Space — playable solo, no multiplayer required. Shares Simulation and Early Access with Leaks In Space.

    Unleash your creativity, design your dreadnought with a variety of modules, and have complete control over the function and style of each module. Command your battleship with wisdom and decisiveness. Gallop in the vast galaxy and destroy all enemies.

    2023StrategySimulationEarly Access15.99 USDDeck PlayableSingle-playerSimilar games →