IMHO.

Single-player games like Starminer

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

Ranked picks

  1. 1
    Evochron Mercenary — Steam game cover

    Evochron Mercenary

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

    The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.

    2012ActionIndieSimulation14.99 USDSingle-playerSimilar games →
  2. 2
    Avorion — Steam game cover

    Avorion

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

    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 →
  3. 3
    Rank: Warmaster — Steam game cover

    Rank: Warmaster

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

    Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.

    2021ActionStrategyIndie24.99 USDSingle-playerSimilar games →
  4. 4
    X4: Foundations — Steam game cover

    X4: Foundations

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

    Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

    2018ActionStrategySimulation12.49 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    X3: Terran Conflict — Steam game cover

    X3: Terran Conflict

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

    It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

    2008ActionStrategySimulation3.19 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Starpoint Gemini 2 — Steam game cover

    Starpoint Gemini 2

    Single-player alternative to Starminer — playable solo, no multiplayer required. Shares Action and Simulation with Starminer.

    Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.

    2014ActionSimulationRPG34.99 USDSingle-playerSimilar games →
  7. 7
    Starpoint Gemini Warlords — Steam game cover

    Starpoint Gemini Warlords

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

    Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!

    2017ActionStrategySimulation34.99 USDSingle-playerSimilar games →
  8. 8
    Capital Command — Steam game cover

    Capital Command

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

    Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

    2026ActionStrategySimulationSingle-playerSimilar games →