Nikoli
The puzzles for this title are supplied by Nikoli, a company who were responsible for the puzzle's popularity in Japan. All puzzles are worked out by hand making their level of difficulty more accurate to monitor than computer-generated sudokus.
The puzzles for this title are supplied by Nikoli, a company who were responsible for the puzzle's popularity in Japan. All puzzles are worked out by hand making their level of difficulty more accurate to monitor than computer-generated sudokus. See less
