IMHO.

Single-player games like KOLUN

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

Ranked picks

  1. 1
    One’s Trash Another’s Treasure — Steam game cover

    One’s Trash Another’s Treasure

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

    You spent everything on 500,000 unclaimed cargo boxes. Now you have to open every single one. A first-person incremental game about grinding boxes, feeding a hole that never fills, and calling it a business plan. Buy tools, drones, and automation. Only 499,997 to go.

    IndieSimulationCasualSingle-playerSimilar games →
  2. 2
    Paper Shredder — Steam game cover

    Paper Shredder

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

    Shred your company's paperwork to earn a $1,000,000 payout. Paper Shredder is an incremental game where a sheet-after-sheet grind scales into mass document destruction. Shred, sweep, upgrade, and cut down tower-high piles of confidential records to uncover what’s buried beneath. Will you sign?

    IndieSimulationCasualSingle-playerSimilar games →
  3. 3
    Money Trees — Steam game cover

    Money Trees

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

    Money Trees is a physics-driven first-person incremental experience about smacking money trees, gathering valuable coins, and throwing them into a chest. Deposit thousands of coins, buy powerful upgrades, and increase your coin collecting potential until you're making millions! 

    2026IndieSimulationCasualSingle-playerSimilar games →
  4. 4
    A Game About Popping Bubbles — Steam game cover

    A Game About Popping Bubbles

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

    A relaxing, cozy, classic screensaver-inspired game about popping bubbles with satisfying VFX and SFX. Upgrade your equipment for even better pops, unlock achievements, and uncover a mysterious secret.

    2026IndieSimulationCasualSingle-playerSimilar games →
  5. 5
    FLATTEN THE BOXES — Steam game cover

    FLATTEN THE BOXES

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

    Clock in, flatten mountains of cardboard, feed the shredder and pay your daily bills. Buy ridiculous tools, build chaotic automation, chase huge combos and survive ever-growing corporate demands. Just don’t crush the wrong box.

    IndieCasualSingle-playerSimilar games →
  6. 6
    Marketfield Idle — Steam game cover

    Marketfield Idle

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

    Marketfield Idle is all about growing crops, selling goods, cooking recipes, automating production, and prestige into stronger runs in a cozy incremental farming game with 1200+ upgrades, strategy paths, and lots of synergies to discover.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  7. 7
    Your Own Constella — Steam game cover

    Your Own Constella

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

    「Your Own Constella」 is a relaxing game where you create your very own constellations in a real night sky. Using a star map based on real-world time and location, you can freely edit and place your favorite images—or choose from roughly 270 illustrations—as constellations.

    2026IndieSimulationCasual0.99 USDSingle-playerSimilar games →
  8. 8
    Nano Flat Owner — Steam game cover

    Nano Flat Owner

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

    Become a nano flat owner! Furnish tiny spaces, rent them out for high prices, and earn massive profits. Start small, collect rent, reinvest, and expand your rental empire. Achieve financial freedom effortlessly in this cozy simulation game!

    2026IndieSimulationCasual6.99 USDSingle-playerSimilar games →