IMHO.

Single-player games like Cobalt Miner

Below are 10 single-player Steam games similar to Cobalt Miner, 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 Cobalt Miner page.

Ranked picks

  1. 1
    Industronaut — Steam game cover

    Industronaut

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.

    2026IndieAdventureSimulationSingle-playerSimilar games →
  2. 2
    MORS — Steam game cover

    MORS

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    Build an automated factory on a true-scale Mars streamed from real NASA terrain. Mine, smelt and belt resources, run trains between outposts, master chemistry, and grow from a lone lander into a planet-spanning industry while the real Martian weather does its worst.

    StrategyIndieAdventureSingle-playerSimilar games →
  3. 3
    DISTANT VISITANT — Steam game cover

    DISTANT VISITANT

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    Survive the alien arrival in DISTANT VISITANT, a top-down open-world sandbox. Master talents from marksmanship to cooking while managing hygiene and hydration. Adapt to seasons where winter freezes crops and lakes. Craft, build, hunt, and find survivors. Prepare for them, this is just the start.

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    The Risen Survival — Steam game cover

    The Risen Survival

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    A multiplayer open-world survival game featuring intense PvP, base building, crafting, raiding, and relentless zombies. Gather resources, expand your base, fight for valuable loot, and compete with other players in a persistent online world

    ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    Skyreap — Steam game cover

    Skyreap

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    You are the power of runes, shaping worlds. Gather resources and find pedestals to build, craft, and transform islands - until the forgotten archipelago gains a new soul.

    IndieAdventureSingle-playerSimilar games →
  6. 6
    The Last Caretaker — Steam game cover

    The Last Caretaker

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.

    2025ActionIndieAdventure34.99 USDSingle-playerSimilar games →
  7. 7
    Blossom: The Seed of Life — Steam game cover

    Blossom: The Seed of Life

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.

    2026IndieAdventure13.59 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    AETHUS — Steam game cover

    AETHUS

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Adventure with Cobalt Miner.

    Explore a vast underground world to mine and craft hundreds of items while building up your modular Outpost on the surface, to prospect for gems, refine resources and farm hydroponic crops in this top-down sci-fi survival-crafter where the story always provides a reason to dig deeper.

    2026StrategyIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Oil Empire — Steam game cover

    Oil Empire

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie and Simulation with Cobalt Miner.

    Build a global oil empire in this 2D idle clicker. Construct buildings, produce goods, manage finances and reputation, and sell oil worldwide. Grow from a small refinery to a powerful corporation.

    2026IndieSimulationCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    The Horde of Gorak — Steam game cover

    The Horde of Gorak

    Single-player alternative to Cobalt Miner — playable solo, no multiplayer required. Shares Indie with Cobalt Miner.

    Lead a growing orc horde in this pixel art incremental strategy game. Build your settlement, recruit powerful warriors, research new technologies, cast devastating spells, and destroy human castles to rescue your captured Warchief

    StrategyIndieSingle-playerSimilar games →