IMHO.

Single-player games like Digger: Galactic Treasures

Below are 15 single-player Steam games similar to Digger: Galactic Treasures, 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 Digger: Galactic Treasures page.

Ranked picks

  1. 1
    Chief Miner — Steam game cover

    Chief Miner

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Chief Miner is a space mining simulation / incremental adventure about blowing up space rocks, becoming overpowered, and uncovering a universal mystery

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Asteroid Rodeo — Steam game cover

    Asteroid Rodeo

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Asteroids are worth trillions. They're also spinning at 200 meters per second. You are a Wrangler—harpoon tumbling rocks, wrestle them to a dead stop with your custom-built ship, and mine them for credits. The pay is good. The survival rate is a conversation people avoid.

    2026ActionIndieSimulationSingle-playerSimilar games →
  3. 3
    Outerverse — Steam game cover

    Outerverse

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Build automated machines and weapons across the universe, beat massive bosses, experience cosmic events and explore unique landmarks in this quest driven automation crafting adventure game. Includes a manual scenario for crafting instead of machines for those not a fan of logic/automation!

    2022ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    PlanetOrbit — Steam game cover

    PlanetOrbit

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Indie and Simulation with Digger: Galactic Treasures.

    Turn a bare rock into a neon-lit casino planet. Win chips at poker, baccarat, blackjack, chinchiro, roulette and slots, then spend them on buildings and watch the dry ground turn green. Drawn by the lights, NPCs begin to visit. Grow the liveliest planet in the galaxy, your way.

    2026IndieSimulationCasualSingle-playerSimilar games →
  5. 5
    高度標高林間臨海臨界活動限界公園 — Steam game cover

    高度標高林間臨海臨界活動限界公園

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    ★このゲームについて★「[高度標高林間臨海臨界活動限界公園」(通称8K)は8番出口やリミナルスペース、その他都市伝説やSCPなどにインスパイアされた短編ウォーキングシミュレーターです。異変探し要素や簡単なアクション等があります。★ゲーム内容★新人警備員のあなたの仕事は山の最奥から海底まで続く公園の見回りです。異変を見過ごせないこと。異変から逃げてはいけません。異変がない場合は進んでください。異変を見つけた場合は適切な対処をしてください。なぜならあなたはこの公園の警備をしているからです。異変から逃げ回る者は業務放棄とみなし処分されます。

    2024ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  6. 6
    Vug: From Caves to Stars — Steam game cover

    Vug: From Caves to Stars

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    A falling-sand cave flyer wrapped in a galaxy campaign. Fly your lander into fully simulated worlds, mine, fight and burn your way through the terrain, then build up the mothership, cross a living galaxy of eight warring factions and face the nanite swarm. Solo or split-screen co-op.

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Prospector Collector — Steam game cover

    Prospector Collector

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Indie and Adventure with Digger: Galactic Treasures.

    A first-person exploration and prospecting adventure where players pan, sluice, sift, and mine to discover rare gemstones and precious metals, each generated with realistic gemological attributes and unique natural shapes, where every expedition brings the feeling that you're not alone.

    IndieAdventureSimulationSingle-playerSimilar games →
  8. 8
    オラッ掘人 ホレゆけ!ブラジル — Steam game cover

    オラッ掘人 ホレゆけ!ブラジル

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    A boring game like bowling that actually is not boring! Let’s go to Brazil from Japan!

    2024ActionIndieCasual3.99 USDSingle-playerSimilar games →
  9. 9
    Space Engineers — Steam game cover

    Space Engineers

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

    2019ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  10. 10
    Satisfactory — Steam game cover

    Satisfactory

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Indie and Adventure with Digger: Galactic Treasures.

    Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

    2024StrategyIndieAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Remains — Steam game cover

    Remains

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!

    2021ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  12. 12
    The Crust — Steam game cover

    The Crust

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Simulation with Digger: Galactic Treasures.

    Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

    2026StrategySimulation20.79 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    One Man´s Trash — Steam game cover

    One Man´s Trash

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Indie and Adventure with Digger: Galactic Treasures.

    Vacuum your way through a massive junk pit in search of a lost hard drive worth millions. Suck, sell, upgrade, and uncover absurd items, pop culture relics, and unsettling secrets in this dangerously addictive, satirical dig-'em-up.

    2025IndieAdventureSimulation6.85 USDSingle-playerSimilar games →
  14. 14
    Dig Thy Hole — Steam game cover

    Dig Thy Hole

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Indie and Adventure with Digger: Galactic Treasures.

    Dig ever deeper through a mysterious underground world, uncover hidden treasures, upgrade your tools, survive deadly hazards, and discover what lies at the bottom.

    IndieAdventureSimulationSingle-playerSimilar games →
  15. 15
    Turbo Sloths — Steam game cover

    Turbo Sloths

    Single-player alternative to Digger: Galactic Treasures — playable solo, no multiplayer required. Shares Action and Indie with Digger: Galactic Treasures.

    Turbo Sloths is an adrenaline-fueled shooter-racing game set on another planet, where you drive not a sports car, but a massive turbocharged truck turned into a war machine. Join the insane Wasteland League — here, it's not the fastest who wins, but the strongest.

    2022ActionSportsIndie9.99 USDSingle-playerSimilar games →