Newdoku,Kendoku,kenken

Please use logical thinking instead of guessing! Each puzzle only has one solution.

Get it on Google Play
Newdoku,Kendoku,kenken

Please use logical thinking instead of guessing! Each puzzle only has one solution.

Get it on Google Play

 



  • In pen mode, you can directly import the candidate number by using Shift + number (Alt + number).
  • In pencil mode, you can directly import numbers by using Shift + number (Alt + number).
  • Key C (or Del, BackSpace): to deselect the number of the lattice or the candidate number.
  • Key ESC: to deselect.
  • Key P: a toggle switch to change from pencil and pen mode.

What is Newdoku?

Newdoku is also referred to Kendoku,Kenken,Newdoku,Calcudoku,and Mathdoku.
Newdoku is the most popular calculation game after the success of Sudoku. It is a puzzle game that can help develop brain potential and improve concentrated force. This game was invented by Tetsuya Miyamoto, who is a Japanese teacher, to help children study arithmetic.

  1. How to play newdoku ?
  2. Newdoku rules
  3. How to print newdoku puzzles
  4. How to find out solutions

Calcudoku Rules

Each puzzle is an NxN grid.
Several adjacent cells can form a group. The boundaries of each group are marked using rough outlines. One of grids in each group will indicate calculation rules for this group. Fill in the NxN grid with numbers 1-N complying with operation. No number is repeated in any row and column. At the same time, the calculation rules of each group should also be satisfied.

About Newdoku.com

Newdoku.com is an professional online game website, where you can play high-quality kenken, including kendoku puzzles from 3x3,4x4,5x5,6x6 to 9x9 size with five difficulty levels.
All puzzles on Newdoku.com can be printed. You can download and print the PDF. We will update PDF documents occasionally.
All puzzles are specially designed by humans. The only key to the puzzles is got by thinking logically without guessing.

Printable Calcudoku puzzles (Daily update)

This website will provide you printable Newdoku puzzles, we daily update 4 puzzles per page including solutions. We recommend using a A4 paper.

3X3 Calcudoku puzzles
Only includes addition Easiest
Only includes addition and subtraction Easiest
Only includes multiplication and division Easiest
Includes addition, subtraction, multiplication and division Easiest

4X4 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

5X5 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

6X6 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

7X7 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

8X8 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

9X9 Calcudoku puzzles
Only includes addition Easiest Easy Hard Expert Extreme
Only includes addition and subtraction Easiest Easy Hard Expert Extreme
Only includes multiplication and division Easiest Easy Hard Expert Extreme
Includes addition, subtraction, multiplication and division Easiest Easy Hard Expert Extreme

Have fun on Newdoku.com!

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