Sudoku Zenkai / 数独全卡 — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 90%)
- The price is above its low (was €2.59), 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
Sudoku Zenkai is built for everyone, from total beginners to seasoned solvers. It adds a social twist to the classic puzzle by letting you tackle grids together with friends no matter where they are, either starting a fresh puzzle together or drawing a friend in to lend a hand once you hit a wall. ImaginationOverflow developed and published the game in 2018.
Did you know?
Sudoku Zenkai holds a 90% positive Steam rating from 214 reviews.
Best price today
€2.79
all-time low: official €2.59 · keyshop €2.69 (+8%)
The cheapest Sudoku Zenkai / 数独全卡 key right now costs €2.79 at Steam — the best of 3 compared offers. The lowest price we have recorded for this game: €2.59.
The average low over the past 4 months was €2.72.
Prices as of
Steam best price Official store
Gog Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Sudoku Zenkai / 数独全卡 prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.79 |
| Kinguin | Marketplace | €2.81 |
| Gog | Official store | €3.56 |
Lowest — official stores
€2.59
Jul 2026
Lowest — keyshops
€2.69
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.79 | €2.81 |
| Sept 2026 | €2.99 | €2.81 |
| Aug 2026 | €3.41 | €2.69 |
| Jul 2026 | €2.59 | €2.96 |
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: Steam, Kinguin
- 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: €2.59
System requirements
| Minimum | |
|---|---|
| OS | Windows 7+ |
| Processor | 2.0Ghz+ |
| Memory | 1 GB RAM |
| Storage | 150 MB available space |
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About this game — FAQ
Does Sudoku Zenkai / 数独全卡 have co-op?
Yes, Sudoku Zenkai / 数独全卡 supports online co-op.
Does Sudoku Zenkai / 数独全卡 have multiplayer?
Yes, Sudoku Zenkai / 数独全卡 has multiplayer.
Does Sudoku Zenkai / 数独全卡 support crossplay?
Yes, Sudoku Zenkai / 数独全卡 supports cross-platform multiplayer.
Can Sudoku Zenkai / 数独全卡 be played single-player?
Yes, besides multiplayer modes, Sudoku Zenkai / 数独全卡 can also be played solo (single-player).
What languages does Sudoku Zenkai / 数独全卡 support?
Sudoku Zenkai / 数独全卡 is available in: English, Spanish - Spain, Portuguese - Portugal, French, Polish, Japanese, Portuguese - Brazil, Simplified Chinese and 3 more.
Does Sudoku Zenkai / 数独全卡 use Steam Cloud saves?
Yes, Sudoku Zenkai / 数独全卡 uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Sudoku Zenkai / 数独全卡 key?
The cheapest Sudoku Zenkai / 数独全卡 key is currently sold by Steam for €2.79. That is the best of 3 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.59.
How much does Sudoku Zenkai / 数独全卡 cost?
Sudoku Zenkai / 数独全卡 currently costs from €2.79 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
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.