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

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!
- 2

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!
- 3

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.
- 4

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.
- 5

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.
- 6

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.
- 7

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.
- 8

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
- 9

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!
- 10

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.
- 11

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.
- 12

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.
- 13

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!
- 14

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.
- 15

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.