Mathdoku (also called KenKen® and Calcudoku) is a math and logic puzzle similar to Sudoku.
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Sudoku Alternatives
Sudoku is described as 'Logic-based, combinatorial number-placement puzzle game. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9' and is a Puzzle Game in the games category. There are more than 50 games similar to Sudoku for a variety of platforms, including Android, iPad, iPhone, Android Tablet and Windows apps. The best Sudoku alternative is LibreSudoku, which is both free and Open Source. Other Sudoku like games are Sudoku Ninja, Sudoku Master, Sudoku Challenge and Sudoku & Variants.
Alternatives list
The Sudoku puzzle game is so simplified with easy instructions transparent enough to understand that even the first timers get the zest of the game right away. The visuals are so neat and clean that it will keep you engaged for hours.
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