SHENZHEN I/O — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 95%)
- The price is above its low (was €3.22), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
SHENZHEN I/O is a simulation puzzle game in which you design electronic circuits and write code for them, playing an engineer at a Chinese tech company. It requires reading a detailed manual and combines hardware design with assembly programming.
Did you know?
Zachtronics is a studio known for programming puzzle games such as SpaceChem, TIS-100 and Opus Magnum.
Best price today
€4.08
all-time low: official €5.37 · keyshop €3.22 (+27%)
On Steam: €10.75 — you save 62% here
The cheapest SHENZHEN I/O key right now costs €4.08 at Kinguin — the best of 9 compared offers. The lowest price we have recorded for this game: €3.22. The cheapest official store price is €10.75 at Steam.
The average low over the past 5 months was €4.15.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Kinguin Marketplace
Steam Official store
Gog Official store
Fanatical Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
SHENZHEN I/O prices by store 8
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €4.08 |
| Driffle | Marketplace | €4.24 |
| Gamivo | Marketplace | €4.27 |
| G2A | Marketplace | €4.67 |
| Instant Gaming | Marketplace | €4.89 |
| Steam | Official store | €10.75 |
| Gog | Official store | €13.32 |
| Fanatical | Official store | €14.99 |
Lowest — official stores
€5.37
Oct 2026
Lowest — keyshops
€3.22
Oct 2026
Price history
last 90 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €5.37 | €3.22 |
| Sept 2026 | €7.39 | €4.38 |
| Aug 2026 | €12.81 | €4.19 |
| Jul 2026 | €13.06 | €4.31 |
| Jun 2026 | €14.79 | €4.63 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Kinguin, Driffle, Gamivo, G2A, Instant Gaming, Steam, Fanatical
- GOG key — on GOG.com → Redeem a code (or in GOG Galaxy: Add games & friends → Redeem GOG code). Stores with this activation: Gog
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All-time low so far: €3.22
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows Vista / 7 / 8 / 10 | Windows Vista / 7 / 8 / 10 |
| Processor | 2.0 GHz | 2.0 GHz |
| Memory | 4 GB RAM | 4 GB RAM |
| Graphics | 1366 x 768 | 1920 x 1080 |
| DirectX | Version 11 | Version 11 |
| Storage | 450 MB available space | 450 MB available space |
Similar games
Video reviews
18:42 Shenzhen I/O Review
Matthewmatosis
17:31 Shenzhen I/O - Building Cheap Chinese Electronic Gizmos
Scott Manley
1:36 Shenzhen I/O - Play & Look
Matthewmatosis Extra
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can SHENZHEN I/O be played single-player?
Yes, SHENZHEN I/O is a single-player game.
What languages does SHENZHEN I/O support?
SHENZHEN I/O is available in: English, Simplified Chinese.
Does SHENZHEN I/O use Steam Cloud saves?
Yes, SHENZHEN I/O uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a SHENZHEN I/O key?
The cheapest SHENZHEN I/O key is currently sold by Kinguin for €4.08. That is the best of 9 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €3.22.
How much does SHENZHEN I/O cost?
SHENZHEN I/O currently costs from €4.08 — the cheapest offer across the stores we track. For comparison, the game costs €10.75 on Steam, so buying a key saves you about 62%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.