IMHO.

Single-player games like Universalia

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

Ranked picks

  1. 1
    Sealcoating Simulator — Steam game cover

    Sealcoating Simulator

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

    Sealcoating Simulator is a first-person game about the oddly satisfying craft of sealing asphalt. Pour it, spread it, and watch a tired old driveway turn deep black and glossy. It is calm, cozy and weirdly hard to put down: the kind of game you start for five minutes and look up an hour later.

    IndieSimulationCasualSingle-playerSimilar games →
  2. 2
    Mingle — Steam game cover

    Mingle

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

    Mingle is a hidden object puzzle game where you move through a crowd to find your identical twin. Each match transforms you into someone new, with hundreds of chatty little characters and surprising level twists.

    2026IndieCasualSingle-playerSimilar games →
  3. 3
    Cthulhu's Cleanup Crew — Steam game cover

    Cthulhu's Cleanup Crew

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

    You’re Employee #1 at Cthulhu’s new reality repair business. Unfortunately, neither of you knows what you’re doing. Clean up impossible disasters with a cosmic paint gun, then run the office: get paid, upgrade your gear and workspace, and try to ignore whatever’s screaming behind the walls.

    2026AdventureSimulationCasualSingle-playerSimilar games →
  4. 4
    TerraLounge — Steam game cover

    TerraLounge

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

    A relaxing slime terrarium, with match-3 puzzles when you're ready for them. A small neon world built to sit alongside whatever else you have going on, whether you're working or relaxing.

    2026StrategyIndieCasualSingle-playerSimilar games →
  5. 5
    Super Mini Mart — Steam game cover

    Super Mini Mart

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

    Super Mini Mart is your 100% fresh, 100% chill round-the-corner supermarket sim. Stock, supervise, manage and get to know your colorful clientele-to-be in this sweet, stress-free management game!

    2025IndieCasualEarly Access8.39 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Trash Goblin — Steam game cover

    Trash Goblin

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

    A wholesome, cosy shopkeeping game with no pressures, no stress, and endless good vibes! Uncover and clean trinkets then upcycle them to sell to endless colourful and quirky customers. Spend your savings to upgrade your shop, buy better tools, plus expand and customise your space.

    2025SimulationCasual19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Cozy Cleaner — Steam game cover

    Cozy Cleaner

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

    Cozy Cleaner is a relaxing cleaning game where you tidy and organize rooms messed up by playful cats. Pick up clutter, wipe away dirt, and bring order back to every space for a calming, refreshing experience with cozy soundtracks.

    2026AdventureSimulationCasual4.19 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Universe Sandbox — Steam game cover

    Universe Sandbox

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

    Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

    2015IndieSimulationCasual29.99 USDDeck PlayableSingle-playerSimilar games →