Crossdoku: Crossword Sudoku app for iPhone and iPad

Crossdoku is a great math crossword Sudoku puzzle to practice logic, math and deductive reasoning skills at the same time for the whole family adults and kids. It has many different crossword Sudoku puzzles.

It is a challenging math cross numbers puzzle to improve memory, concentration and logical thinking skills.


How to play:
- Fill in the empty circles (octagons) so that the number between the four adjacent circles is the result of their sum or multiplication.
- But be careful a number cant be used more than once in any column or row like in Sudoku.
- To fill the empty circle: drag the number to it or touch that circle.
- To clear the non-empty circle: touch it again.

It includes 2 separate games:
- Addition: the number between the four adjacent circles is the result of their sum.
- Multiplication: the number between the four adjacent circles is the result of their multiplication.

The game has 7 different grid sizes: 3X3, 4X4, 5X5, 6X6, 7X7, 8X8 and 9X9. Each size has many different puzzles.

You have 60 minutes to solve each puzzle. You can save your progress to resume it later.


Play, enjoy and have fun !


----------------------------
Attribution: some game icons are free downloaded from freepik.com & all-free-download.com