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Syntheses generated by statistical aggregation of player reviews.

FREN
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Steam specs (min / recommended)

Minimum: Système d'exploitation *: Windows Vista / 7 / 8 / 10 Processeur : 2.0 GHz Mémoire vive : 4 GB de mémoire Graphiques : 1366 x 768 DirectX : Version 11 Espace disque : 450 MB d'espace disque disponible

Recommended: Système d'exploitation *: Windows Vista / 7 / 8 / 10 Processeur : 2.0 GHz Mémoire vive : 4 GB de mémoire Graphiques : 1920 x 1080 DirectX : Version 11 Espace disque : 450 MB d'espace disque disponible

SHENZHEN I/O

Safe bet
⚔️ Compare View on Steam ↗
Released November 17, 2016
sample: 464 reviews posted after launch (180 AI-classified)
92/100
Player Score — positive reviews weighted by volume · Steam history: 95 % · 4,518 reviews (« Very Positive »)
14,79€ 7,39€ -50%🛒 Compare on Instant Gamingaffiliate link

Players are wiring circuits and writing assembly code for dozens of hours, with a massive 166 positive mentions out of 166 in the deepest playtime tier. The title secures a 95 percent overall positive rating across 4518 total reviews, backed by 433 positive post-launch reviews out of 464 sampled.

What it's about: BUILD CIRCUITS. WRITE CODE. RTFM.

In-game

Screenshot SHENZHEN I/OScreenshot SHENZHEN I/OScreenshot SHENZHEN I/OScreenshot SHENZHEN I/OScreenshot SHENZHEN I/O
« According to Steam achievements, more people have played 100 games of solitaire than beat the main campaign »
👍 anonymous review · Jun 2025 · 4 h played11
« as someone who used to work as a product manager, i now understand what it's like to get feature requests without any relevant context. i'm sorry. 10/10 game »
👍 anonymous review · Jul 2025 · 38 h played7211
« The best solitaire game ever. Oh and the coding mini-game seems to be pretty good too! »
👍 anonymous review · Jun 2025 · 44 h played1
« It turns out that hundreds of hours of Factorio and Dyson Sphere Program have secretly reprogrammed my brain into a highly efficient electronic circuit engineer without my knowledge or consent. »
👍 anonymous review · Feb 2026 · 2 h played11
« i played this game and i felt my estrogen levels rise up, thank you zachtronics »
👍 anonymous review · Nov 2025 · 7 h played211
« "That's not a game, you're just working!" - bf "Happy chemicals" - me Not for everyone, but I'll always recommend zach games. Even if it harasses me to play solitaire every title, I'll leave that for him »
👍 anonymous review · Jul 2025 · 5 h played21
« I might just be stupid, but unless you're an actual software engineer I don't see how this game could be fun past the first 5 levels or so. »
👎 anonymous review · Jul 2025 · 6 h played511
« Add scaling. I'm not sitting up just so I can read the tiny text on my 3440x1440 display and I'm not reducing the resolution for the sake of being able to read the text. »
👎 anonymous review · Jul 2025 · 0 h played1
« Contains russian content with messages from ".ru" domain with mentions of moscow. This is disturbing »
👎 anonymous review · May 2025 · 1 h played4
« The one thing that this game lacks (and that is really needed in MOST puzzles) is a 4x simple pin chip. It has 4x XBus chip, 2x simple + 4x Xbus, but NOT 4x simple. Nuff said. »
👎 anonymous review · Apr 2026 · 3 h played
« Couldn't get this refunded so now it gets a bad review. »
👎 anonymous review · Apr 2026 · 1 h played
« NO ENGINEERING, ALL PROCRASTINATION! »
👍 anonymous review · Dec 2025 · 24 h played1

In players' words

« According to Steam achievements, more people have played 100 games of solitaire than beat the main campaign »
👍 anonymous review · Jun 2025 · 4 h played11
« I might just be stupid, but unless you're an actual software engineer I don't see how this game could be fun past the first 5 levels or so. »
👎 anonymous review · Jul 2025 · 6 h played511
« as someone who used to work as a product manager, i now understand what it's like to get feature requests without any relevant context. i'm sorry. 10/10 game »
👍 anonymous review · Jul 2025 · 38 h played7211
« Add scaling. I'm not sitting up just so I can read the tiny text on my 3440x1440 display and I'm not reducing the resolution for the sake of being able to read the text. »
👎 anonymous review · Jul 2025 · 0 h played1
« The best solitaire game ever. Oh and the coding mini-game seems to be pretty good too! »
👍 anonymous review · Jun 2025 · 44 h played1
« Contains russian content with messages from ".ru" domain with mentions of moscow. This is disturbing »
👎 anonymous review · May 2025 · 1 h played4
« It turns out that hundreds of hours of Factorio and Dyson Sphere Program have secretly reprogrammed my brain into a highly efficient electronic circuit engineer without my knowledge or consent. »
👍 anonymous review · Feb 2026 · 2 h played11
« The one thing that this game lacks (and that is really needed in MOST puzzles) is a 4x simple pin chip. It has 4x XBus chip, 2x simple + 4x Xbus, but NOT 4x simple. Nuff said. »
👎 anonymous review · Apr 2026 · 3 h played
« i played this game and i felt my estrogen levels rise up, thank you zachtronics »
👍 anonymous review · Nov 2025 · 7 h played211
« Couldn't get this refunded so now it gets a bad review. »
👎 anonymous review · Apr 2026 · 1 h played
« "That's not a game, you're just working!" - bf "Happy chemicals" - me Not for everyone, but I'll always recommend zach games. Even if it harasses me to play solitaire every title, I'll leave that for him »
👍 anonymous review · Jul 2025 · 5 h played21
« NO ENGINEERING, ALL PROCRASTINATION! »
👍 anonymous review · Dec 2025 · 24 h played1

Anonymized excerpts from public Steam reviews — picked among those most voted "helpful" by the community.

What players say, by aspect

Positive Mixed Negative
Gameplay
90 % pos · n=170
Content / longevity
100 % pos · n=24
Value for money
71 % pos · n=7
Interface / UX
29 % pos · n=7
Story / writing
100 % pos · n=6
Graphics / art
50 % pos · n=2
Audio / music
100 % pos · n=2
Stability / bugs
50 % pos · n=2
Performance
100 % pos · n=1
Multiplayer
100 % pos · n=1
Detailed data (table)
AspectMentionsPositiveMixedNegative
Gameplay170153512
Content / longevity242400
Value for money7502
Interface / UX7205
Story / writing6600
Graphics / art2101
Audio / music2200
Stability / bugs2101
Performance1100
Multiplayer1100

Positive reviews by playtime

🎮 Players who like it have spent 16 h on median; those who dislike it: 3.8 h.

<2h
73 % (n=44)
2-10h
92 % (n=130)
10-25h
98 % (n=124)
>25h
96 % (n=166)

Fixed or still broken? Sentiment over time

➡️ Stable reception over time
Jun 2025 : 96% positive96JunJul 2025 : 93% positive93JulAug 2025 : 92% positive92AugSep 2025 : 88% positive88SepOct 2025 : 97% positive97OctNov 2025 : 89% positive89NovDec 2025 : 88% positive88DecJan 2026 : 100% positive100JanFeb 2026 : 86% positive86FebMar 2026 : 91% positive91MarApr 2026 : 84% positive84AprMay 2026 : 88% positive88MayJun 2026 : 96% positive96JunJul 2026 : 100% positive100Jul

% of positive reviews per month (months with ≥ 15 sample reviews).

100% completion difficulty ("platinum")

0,8 % Hardcore

of players have unlocked the rarest achievement — the upper bound of those who "100%'d" it. 6 achievements in total; the median achievement is unlocked by 5 % of players.

What creators say (YouTube)

No indexed video for this game yet.

See SHENZHEN I/O videos on YouTube →

This game on Twitch

No stream or clip for this game right now.

See SHENZHEN I/O streams on Twitch →

Strengths

  • Core puzzle design shines with 153 positive mentions out of 170 in gameplay.
  • Abundant content is praised through 24 positive mentions out of 24.
  • Immersive engineering themes are highlighted by 10 positive mentions for engineering and 10 for learning.

Weaknesses

  • Interface elements draw criticism with 5 negative mentions out of 7 in ui.
  • Pricing concerns appear in 2 negative mentions out of 7.

Who is it for?

Virtual engineers, programmers, and puzzle fanatics who relish deep logic challenges and microcontrollers will find endless engagement here.

Is SHENZHEN I/O worth it in 2026?

Yes, without reservation for most players: 95% of 4,518 Steam reviews are positive (player score 92/100). Most-praised strength: Core puzzle design shines. Current price: 7,39€ (50% off).

Verdict

SHENZHEN I/O turns low-level code into high-level triumph for those patient enough to read the manual. With 433 positive post-release reviews out of 464, it proves that wiring virtual microchips is brilliantly rewarding.

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SHENZHEN I/O: 92/100 by players — Gamer Reviews

Most frequent keywords

programmation (40)solitaire (31)puzzles (22)manuel (17)difficile (15)réflexion (14)assembleur (13)difficulté (11)optimisation (10)apprentissage (10)ingénierie (10)humour (7)

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