The free online game SudoKen is a variant of Sudoku with a math trick: Achieve a calculation result in every section of the playing field. You can play SudoKen for free and without downloading it on our website.
Fill in each empty field with a number that appears only once per row and column. Some numbers are already provided so you only need to fill in the empty fields.
On the playing field, you will also find separate sections displaying a calculation result and a basic arithmetic operation. To achieve the respective result, add, subtract, multiply, or divide the numbers in each area.
For subtractions and divisions, always begin with the largest number and divide it by the smaller numbers or subtract the smaller numbers from it to obtain the displayed calculation result.
To select the appropriate number for the respective field, click or tap on an empty field to open the ring menu.
Press the red X to close the ring menu again. To remove a number from a field, use the Trash Can button.
If a field can have multiple numbers, use the Notes button to keep track of them.
The Check button will reveal incorrect numbers, but avoid using it to receive a Time Bonus.
Successfully complete the level by entering the correct number in all fields and add your name to the High Score Leaderboard.