Calcudoku Logic Puzzles: 500 Easy to Hard (9x9) :: Keep Your Brain Young (Brain Games for Adults)

Calcudoku (also known as "KenKen", "KenDoku", "Mathdoku", "Square Wisdom") is a logic puzzle with simple rules and challenging solutions. It is similar to Sudoku and Killer Sudoku except you're dealing with +, -, x and

• • Author: Khalid Alzamili
• • Publisher: Independently published
• • Publication Date: Oct 24, 2019
• • Number of Pages: 130 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1702334511
• • ISBN-13: 9781702334518