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.
Calcudoku (also known as "KenKen", "KenDoku", "Mathdoku", "Square Wisdom") is a logic puzzle with simple rules and challenging solutions