Posted on April 9, 2015
Hyper Sudoku puzzles are logic puzzles that are an ideal brain training.
How to play Hyper Sudoku: The goal of Hyper Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. Furthermore, Hyper Sudoku contains four colored regions, each colored region contains each number exactly once.