Sudoku with a twist: no guesswork or pencil marks--just pure deductive reasoning. Regular and jigsaw sudokus in sizes from 6×6 to 9×9 in 600 different grid shapes. Difficulty levels from easy to hard and over 4,800 unique and original puzzles to choose from.
Hierodoku - Sudoku set in ancient EgyptSkeuomorphic sudoku with no guesswork or pencil marksJun 2020