Disclaimer: As an Amazon Associate I may earn from qualifying purchases
Product Review
- 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.