The puzzles, either 6 x 6 or 9 x 9, look like Killer Sudoku games, but in addition to numbers, players also contend with math operators (+ - × ÷) within “fences” on the puzzle.
Can’t get enough Kendoku? Kendoku: Volume 2 contains 100 new puzzles that range from mild to mind-bending. Following the footsteps of Sudoku, Kakuro and other number logic games, Kendoku is one
Hot on the heels of the first two volumes, Kendoku: Extreme shows that when it comes to mind-bendingly difficult logic/arithmetic puzzles, too much is never enough! Combining the logic of Sudoku with
KenKen is the world's fastest growing puzzle since sudoku. It was developed in a Japanese Classroom in 2004 by renowned educator, Tetsuya Miyamoto, and was later introduced internationally as both an
