Sudoku Sensei

SUDOKU SENSEI packs a super-hard 100 challenging puzzles to solve. Puzzles designed by Nikoli. Includes tutorial! Introducing 100 “Super Hard Puzzles” for the hardened sudoku veteran! All puzzles are skillfully designed for a level of satisfaction that computer-generated puzzles just can’t offer. You can play through puzzles to learn about rules and controls in “Tutorials” mode! Other handy features include “Write Mode” and “Temp Number” for an easier, more enjoyable sudoku experience.