Professor Fuji's Sudoku (Jewel Case)

Puzzle Fanatics! Get ready for your next mission: Sudoku! Fill in the empty cells, one number in each, so each column, row and region contains the numbers 1 through 9 exactly once. Sounds easy, right... Wrong!

• 3,000 puzzle grids

• 3 levels of play

• Printable puzzles

• Cheat mode

• Boss-key to hide your games!