IMHO.

Single-player games like LUNAR

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

Ranked picks

  1. 1
    The Last Mothership — Steam game cover

    The Last Mothership

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

    A short incremental game about harvesting planets to feed your mothership. Mine, manage resources, grow your fleet, and unlock upgrades to evolve your species. You are the devourer of worlds.

    2026CasualSingle-playerSimilar games →
  2. 2
    Pure Idle — Steam game cover

    Pure Idle

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

    Become the right hand of the Creator in the search for lost perfection. Collect the light of billions of stars, guiding them into the heart of a black hole to find the one — Pure Idle. Technologies, production chains, and a long journey to the most beautiful star in the universe.

    2026StrategyIndieSimulation0.79 USDSingle-playerSimilar games →
  3. 3
    Mining and Dwarves — Steam game cover

    Mining and Dwarves

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

    An incremental game where you mine rocks, gather ore, and recruit dwarves. Play actively for maximum gains, or idle and let the dwarves do the work.

    2026StrategySimulationCasualSingle-playerSimilar games →
  4. 4
    Loop Alchemist — Steam game cover

    Loop Alchemist

    Single-player alternative to LUNAR — playable solo, no multiplayer required.

    You wake up in an unknown land. Again. Use the experience from every past life and your ever-growing knowledge of alchemy to extend each life through a robust alchemical system. Explore, break through and uncover all the world has to offer in this minimalist RPG distilled down to its purest form

    StrategyIndieAdventureSingle-playerSimilar games →
  5. 5
    ECHIDNA — Steam game cover

    ECHIDNA

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

    A dead god drifts in the dark. Build a salvage fleet that carves it apart cell by cell, and watch a colossal carcass melt into a storm of flying debris and climbing numbers. Strip it to the bone then evolve and start again on something bigger.

    StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    Anty Crush — Steam game cover

    Anty Crush

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

    Lead a tiny ant colony through a giant candy world. Crush sweets, collect crumbs, unlock upgrades, grow your colony, and help the Queen evolve in this cozy incremental game.

    IndieSimulationCasualSingle-playerSimilar games →
  7. 7
    SideDrop — Steam game cover

    SideDrop

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

    A block breaking idle game at the side of your screen. Break through progressively harder rows of blocks as you buy upgrades and unlock special ball types.

    2026IndieCasual3.99 USDSingle-playerSimilar games →
  8. 8
    Authorisation Engine — Steam game cover

    Authorisation Engine

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

    Turn a payment desk into a global authorisation network in this offline incremental strategy game about capacity, compute, mandates, quantum audits, and synthetic jurisdictions.

    2026Casual4.99 USDSingle-playerSimilar games →