IMHO.

Single-player games like SHENZHEN I/O

Below are 15 single-player Steam games similar to SHENZHEN I/O, 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 SHENZHEN I/O page.

Ranked picks

  1. 1
    TIS-100 — Steam game cover

    TIS-100

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!

    2015IndieSimulation6.99 USDSingle-playerSimilar games →
  2. 2
    Opus Magnum — Steam game cover

    Opus Magnum

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    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 →
  3. 3
    EXAPUNKS — Steam game cover

    EXAPUNKS

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    The year is 1997. You used to be a hacker, but now you have the phage. You made a deal: one hack, one dose. There’s nothing left to lose… except your life.

    2018IndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    ABI-DOS — Steam game cover

    ABI-DOS

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.

    2024StrategyIndieSimulationFreeDeck PlayableSingle-playerSimilar games →
  5. 5
    Kaizen: A Factory Story — Steam game cover

    Kaizen: A Factory Story

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Simulation with SHENZHEN I/O.

    Kaizen is an open-ended puzzle automation game from the original Zachtronics team, set in 1980s Japan. Design, build, and optimize production lines to create iconic products, like calculators, camcorders, and arcade machines.

    2025StrategySimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Comet 64 — Steam game cover

    Comet 64

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.

    2021IndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Mnemonimov — Steam game cover

    Mnemonimov

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Simulation with SHENZHEN I/O.

    Mnemonimov is a fantasy console where you program in ASSEMBLY like in the 80s. Build anything from games to operating systems and understand how computers work at a low level.

    2026SimulationEarly Access17.99 USDSingle-playerSimilar games →
  8. 8
    Turing Complete — Steam game cover

    Turing Complete

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Simulation with SHENZHEN I/O.

    Learn CPU architecture with puzzles

    2021SimulationEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    SpaceChem — Steam game cover

    SpaceChem

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

    2011IndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Factorio — Steam game cover

    Factorio

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

    2020StrategyIndieSimulation35.00 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Dyson Sphere Program — Steam game cover

    Dyson Sphere Program

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

    2021StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Infinifactory — Steam game cover

    Infinifactory

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.

    2015IndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Last Call BBS — Steam game cover

    Last Call BBS

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie and Simulation with SHENZHEN I/O.

    Boot up your Z5 Powerlance and dial into Last Call BBS, the last game from Zachtronics! The Barkeep’s loaded up his retro computer with a full set of puzzle games for you to download and play. No need to worry about copy protection, they’re all fully cracked and ready to enjoy!

    2022IndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Eliza — Steam game cover

    Eliza

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie with SHENZHEN I/O.

    Eliza is a visual novel about an AI counseling program, the people who develop it, and the people who use it. Follow Evelyn Ishino-Aubrey as she reconnects with people from her past, gets to know the people of Seattle who use Eliza for counseling, and decides the course of her future.

    2019Indie7.49 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    The Zachtronics Solitaire Collection — Steam game cover

    The Zachtronics Solitaire Collection

    Single-player alternative to SHENZHEN I/O — playable solo, no multiplayer required. Shares Indie with SHENZHEN I/O.

    The Zachtronics Solitaire Collection is here! Inside you will find all seven Zachtronics solitaire games, updated with new 4K graphics, plus one brand new Tarot-themed solitaire variant only available here.

    2022IndieCasual9.99 USDDeck PlayableSingle-playerSimilar games →