Sudoku Universe / 数独宇宙 — cheap CD keys, compare prices
Is it worth buying?
Reviews are excellent (Steam 95%) · The price is well above its low (was €0.89) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
A relaxing puzzle game built around the classic Sudoku number grid. It offers a wide selection of puzzles across difficulty levels for players who enjoy logical, number-based casual challenges.
Did you know?
Sudoku Universe is a relaxing puzzle game built around the classic Sudoku number grid, offering a wide selection of puzzles across difficulty levels.
Best price today
€2.99
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €2.69
- On Steam
- €2.99
- all-time low
- €0.892 Oct
- Average low, 5 mo.
- €2.57
The cheapest Sudoku Universe / 数独宇宙 key right now costs €2.99 at Steam. (Prices as of )
Offers 1 · PC · from €2.99
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Aug 2026)
€0.89
Oct 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €0.89 | — |
| Sept 2026 | €2.99 | — |
| Aug 2026 | €2.99 | — |
| Jul 2026 | €2.99 | — |
| Jun 2026 | €2.99 | — |
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
System requirements
| Minimum | |
|---|---|
| OS | Windows 7+ |
Similar games
Video reviews
2:12 Sudoku Universe Nintendo Switch gameplay
MGT - Max Games Tech
12:19 Sudoku Universe Gameplay (Nintendo Switch)
NorkDorf Entertainment
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can Sudoku Universe / 数独宇宙 be played single-player?
Yes, Sudoku Universe / 数独宇宙 is a single-player game.
What languages does Sudoku Universe / 数独宇宙 support?
Sudoku Universe / 数独宇宙 is available in: English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Portuguese - Brazil and 8 more.
Does Sudoku Universe / 数独宇宙 use Steam Cloud saves?
Yes, Sudoku Universe / 数独宇宙 uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Sudoku Universe / 数独宇宙 key?
The cheapest Sudoku Universe / 数独宇宙 key is currently sold by Steam for €2.99. The lowest price we have ever recorded for this game: €0.89.
How much does Sudoku Universe / 数独宇宙 cost?
Sudoku Universe / 数独宇宙 currently costs from €2.99 — 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.