Argyle Sudoku puzzle 18 - Hard Argyle Sudoku

Posted on March 31, 2015

Looking for free online Argyle Sudoku puzzles? Today we have another Argyle Sudoku puzzle for you. It will give you a couple of minutes of entertainment.

How to play Argyle Sudoku: The goal of Argyle Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly once. Furthermore, Argyle Sudoku contains additional diagonals. Every marked diagonal line contains each number not more than once.