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... 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.

Also known as: newdoku