IMHO.

Single-player games like Magnetic Structures

Below are 12 single-player Steam games similar to Magnetic Structures, 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 Magnetic Structures page.

Ranked picks

  1. 1
    Number Machine: Math Factory — Steam game cover

    Number Machine: Math Factory

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

    Number Machine is an open-ended factory and automation game with math mechanics. Design, build, and optimize factories that automatically assemble and deliver complex numerical structures. Inspired by Opus Magnum and Infinifactory.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Holon — Steam game cover

    Holon

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

    Build factories inside factories. Extract shapes, automate production, and deliver increasingly complex designs to the Hub. Enter a Nest to build its machinery, reuse it as a single building, then fit smaller Nests inside larger ones to take your factory further. About this game

    StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Gravity — Steam game cover

    Gravity

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

    Test your problem solving skills and creativity in over 80 physics-based puzzles. Hours of fun for the completionist with challenges for every level and over 30 unlockables!

    2023StrategySimulationCasual4.99 USDSingle-playerSimilar games →
  4. 4
    Factory 95 — Steam game cover

    Factory 95

    Single-player alternative to Magnetic Structures — playable solo, no multiplayer required. Shares Simulation with Magnetic Structures.

    Build PowerPoint factories in Windows 95! Manage space, make increasingly complex slides and worry about Y2K in this challenging factory builder.

    2026Simulation9.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Opus Magnum — Steam game cover

    Opus Magnum

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

    Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

    2017IndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Block Factory — Steam game cover

    Block Factory

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

    Block Factory is a relaxing and creative building game where you craft delightful 3D figurines from blocks. Shape your designs and build flowing production lines in a peaceful factory world.

    2025StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Builderment — Steam game cover

    Builderment

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

    Builderment is a casual factory builder, where you are sent to far away planets to keep Earth going with fresh resources. Establish your base, then mine, build, transport, and ultimately design an automated operation that will save your home one shipment at a time!

    2023StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Poly Bridge 2 — Steam game cover

    Poly Bridge 2

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

    The acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun!

    2020IndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Daydam Knight — Steam game cover

    Daydam Knight

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

    Daydam Knight is a roguelike deckbuilder game. You play as a knight who is trying to destroy demons that have attacked his land. Use your Powerful cards and destroy all the enemies.

    2025StrategyIndie1.99 USDSingle-playerSimilar games →
  10. 10
    Hidden Tomatoes 3 — Steam game cover

    Hidden Tomatoes 3

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

    Explore serene forests, sparkling river, and rustic rural houses in *Hidden Tomatoes 3*! Find 100 cleverly hidden tomatoes in a peaceful yet challenging hidden object adventure. With stunning visuals and relaxing gameplay, it's fun for all ages. Can you uncover them all?

    2025IndieFree To PlayCasualFreeSingle-playerSimilar games →
  11. 11
    Hidden Tomatoes : Farm Frenzy — Steam game cover

    Hidden Tomatoes : Farm Frenzy

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

    Find 100 hidden tomatoes in a beautiful and peaceful farm environment with fields, barns, and rustic houses. Enjoy a relaxing, time-free experience with soothing music and a fun challenge for players of all ages.

    2025IndieCasual0.99 USDSingle-playerSimilar games →
  12. 12
    Hidden Tomatoes 4 — Steam game cover

    Hidden Tomatoes 4

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

    Explore rivers, old rural houses, and snow-covered areas to find 100 hidden tomatoes. Each scene is packed with details, making the challenge even more exciting. Stay focused, search carefully, and uncover them all! 🍅🔍

    2025IndieFree To PlayCasual0.99 USDSingle-playerSimilar games →