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Denis Anipchenko
Expert opinion

The name of mega popular puzzle - sudoku, is translated from Japanese as «the number staying apart». The aim of the game is to fill empty cells of the table in such a way to have numbers from one to nine (only once each) in each column, row and cell. Many years long sudoku is being published in different wallpapers and magazines all over the world, puzzle albums are issued in wide editions, while the fans of this game hold tournaments of different levels.
Cryptologic company has released a free online slot machine named Sudoku devoted to sudoku, although its rules, of course, essentially differ of the classic. If you like original slot machines, you should definitely learn about this model, even if it seems complicated from the first sight.

Type of game Video slots
Manufacturer Cryptologic logo
Max bet 40
Progressive jackpot No
Lines number 18
Wilds Yes
Scatter No
Gamble Feature No
Bet line 0.10 - 20
Bonus games Yes

Where to Play Sudoku slot?

Play Free Sudoku Slot Demo

You can find Sudoku game in Inter Casino and some other online casinos, powered by the software developed by Cryptologic company. All these casinos provide an opportunity to test slot machines by the virtual bets, while some of them even allow launching models without registration.

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How to Play Sudoku slot online

The design of Sudoku slot machine is different from the common slots. Its screen, as well as sudoku field, is divided into nine squares with nine cells in each of them. There are no reels here.

The player makes bet per lines and/or columns. Herewith, it is possible to stake per all nine lines or columns at once, but not per each of them. For example, in InterCasino it is possible to play Sudoku slot machine by the bet in range from ten cents to forty dollars.

Before the start of the game, six cells are already filled in each of 3x3 sectors. Then random numbers appear in the free cells. It is possible to play by the same card every time or or change it for a new one, as soon as you want.

The lines or columns, filled by sudoku rules (with numbers from one to nine, only once each) are considered to be the winning combinations in Sudoku slot machine.

More such lines and columns were made during one round, higher the payoff is. In case you fill nine lines and nine columns, an amount of the payoff would be calculated by x6000 index (six thousand bets per columns or lines).

The gambling feature, which could double up the payoff, is not provided by the rules of Sudoku video slot.

If you fill five squares and more, fifteen free rounds by the latest bet are getting started. During these rounds all the payoffs are doubled. These spins can be prolonged.

Sudoku Symbols, Wild, Scatter

The symbols which you can see at the screen of Sudoku slot machine are, of course, numbers from 1 to 9. It can be at the blue background and act in the standard mode or at the red one. In case over seven red numbers drop out at the screen, it triggers the bonus round of Sudoku.

There is also the special symbols with image of the golden star in Sudoku slot machine, which is a kind of Wild symbol. In the standard game it is able to replace any other numbers.

Sudoku Bonus games

The bonus game of Sudoku slot machine is a round of five repeated spins, during which all red numbers stay at its places. More red numbers you manage to pick to the end of the round, higher the payoff is.

An amount of the payoff is calculated by the special table. The minimal winning is x2 and it is provided for seventeen red cells. However, in case you collect twenty seven such numbers, the payoff would be calculated by x25.

The standard payoffs are unavailable during this round.

Jackpots

A progressive jackpot is not raffled in Sudoku slot machine.

Comparison Sudoku slot with analogues
Sudoku XMAS Royale Golden Fish Tank Party Oasis Dreams Cash Strike DragonBlox
RTP 96.50 % 94 % 96.20 % 95 % 95.90 %
Volatility Middle High Middle High High
Lines 18 20 25 5 50
Drums 5 6 5 3 6
Issue date 6 December 2023 5 December 2024 11 March 2023 8 March 2024 21 November 2022
Progressive jackpot
Scatters
Free Spins
Respins
Progressive multipliers
Jokers
Max payout 0 1500 6000 2224 1000 10000
Bonus Games
Gamble Feature
More Cryptologic slot machines

Sudoku Interface

The interface of Sudoku video slot consists of two main parts: the screen of the game with the filed filled with numbers and the control panel, which also contains informational windows.

We would like to explain the functions of the main elements of the interface of this model, which is available only in English language. The following tips would be useful for the beginners:

  • Play - start the game.
  • Paytable - open the payment table and rules.
  • New Card - change a card for a new one.
  • Autoplay - an automatic game mode.
  • Bet - select an amount of the bet per columns and/or lines.
  • Rows - activate lines.
  • Columns - activate columns.
  • Paid - an amount of the payoff.
  • Balance - a state of the player’s account.
  • Total Bet - the total amount of the bet.

In the top part of the control panel of Sudoku slot machine you can see the informational line, where the tips by the game appear.

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Should You Play Sudoku Slot for Real Money?

In spite of Sudoku video slot doesn't look like slot machine from the first sight, it is provided with a plenty of features of the classic slots, that’s why it can be bravely divided to this category of gambling games. Although the rules seems quite complicated from the first sight, everything is easy at practice, that’s why you wouldn't spend a lot of time for learning the particularities of the gameplay of Sudoku video slot.

Denis Anipchenko
Denis Anipchenko
Editor-in-chief and online gambling expert

Denis is a true professional with many years of experience in the gambling industry. His career started back in the late nineties when he worked as a croupier, pit boss, manager and casino manager. This unique experience allowed him to deeply understand the world of gambling from the inside. Since the late noughties Denis has dedicated himself to writing articles and analyses about gambling, and since the early tens he has become a key figure in the Casinoz team. Here he not only writes and edits content, but also creates reviews, shares his expertise and helps readers understand the intricacies of gambling. Denis combines practical experience and in-depth knowledge, making him one of the most respected experts in the industry. His writings are always up-to-date, proven and useful information for anyone interested in the casino world.

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Player reviews Player reviews ( 1 )
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Lamegadelos
Lamegadelos
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January 8, 2020
10
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Lamegadelos
The Game is excellent! I enjoy playing at casinoz very very much. Sudoku slot machines are pretty cool :) Bonus game is where it gets seriously tense in a good way!
I play a lot of regular sudokus online at https://www.livesudoku.com/indexnl.php in the dutch version to refresh my netherlandishness, but your slot machines are taking over bit by bit. Carry on the good work!
10/10
Perfect