dkm Samurai Sudoku (Kindle Tablet Edition)

dkm Samurai Sudoku (Kindle Tablet Edition)

• Choose from four difficulty levels.
• Extensive solving aids from a gentle hint to a step by step walkthrough on solving next cell when advanced techniques are required.
• Option to fill in all possible values for each cell.
• Use pencil to fill in possible cell values.
• Undo all the way back to beginning.
• Return to any incompleted puzzle at any time and continue where you left off.
• Two different modes to input cell values.