IMHO.

Single-player games like Mason: Building Bricks

Below are 12 single-player Steam games similar to Mason: Building Bricks, 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 Mason: Building Bricks page.

Ranked picks

  1. 1
    Dwarf Fortress — Steam game cover

    Dwarf Fortress

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.

    2022StrategyIndieSimulation23.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Fabledom — Steam game cover

    Fabledom

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Simulation with Mason: Building Bricks.

    Set in a wholesome fairytale world, Fabledom is a laid-back City builder. Enjoy the growth of your settlement, interact with your neighbors and defend your kingdom from magical creatures. All to find true love and live happily ever after!

    2024StrategySimulationCasual20.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    RimWorld — Steam game cover

    RimWorld

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Foundation — Steam game cover

    Foundation

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

    2025StrategyIndieSimulation34.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Judgment: Apocalypse Survival Simulation — Steam game cover

    Judgment: Apocalypse Survival Simulation

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?

    2018StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Prison Architect — Steam game cover

    Prison Architect

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.

    2015StrategyIndieSimulation7.49 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    STATIONflow — Steam game cover

    STATIONflow

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Simulation with Mason: Building Bricks.

    STATIONflow is a game about controlling the flow of thousands of passengers by building and managing an efficient underground train station.

    2020StrategySimulation17.99 USDSingle-playerSimilar games →
  8. 8
    Kenshi — Steam game cover

    Kenshi

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Indie and Simulation with Mason: Building Bricks.

    A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.

    2018ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Minecraft: Story Mode - A Telltale Games Series — Steam game cover

    Minecraft: Story Mode - A Telltale Games Series

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required.

    Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.

    2015AdventureDeck PlayableSingle-playerSimilar games →
  10. 10
    The Sims™ 4 — Steam game cover

    The Sims™ 4

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Simulation with Mason: Building Bricks.

    Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.

    2020AdventureSimulationFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  11. 11
    Minecraft Legends — Steam game cover

    Minecraft Legends

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required.

    Discover the mysteries of Minecraft Legends, a new action strategy game. Explore a gentle land of rich resources and lush biomes on the brink of destruction. The ravaging piglins have arrived, and it’s up to you to inspire your allies and lead them in strategic battles to save the Overworld!

    2023ActionStrategy39.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    The Sims™ Legacy Collection — Steam game cover

    The Sims™ Legacy Collection

    Single-player alternative to Mason: Building Bricks — playable solo, no multiplayer required. Shares Simulation with Mason: Building Bricks.

    The original game you know and love. For Windows 10/11. Create a neighborhood of Sims and guide their lives through careers and romance. Or create chaos with open-ended gameplay that lets you shape their destinies.

    2025SimulationCasual11.99 USDDeck PlayableSingle-playerSimilar games →