Features:
- An endless supply of new puzzles for you to solve, with a different puzzle every time
- Print any puzzle, along with its solution
- Email puzzles to your friends and family+
- Solve puzzles from any source*
- Auto-checking of completed puzzles
- Quick and tidy corrections using Undo - no pencil or eraser required!
- Automatic pencil marks which show possible numbers
- Graded puzzles to test your ability, from Easy to Devilish
- Timer to help you set your pace
- Attractive, easy-to-use interface
- Easy-to-follow instructions - start playing in minutes
- High score table to record your accomplishments
- Save feature, so you can switch off and try again later
- Four different grid sizes; 9x9, 8x8, 6x6, 4x4
- Highlighter reveals wrongly entered numbers
- Choose number or letter puzzles
- Display shows running tally of each of the numbers used
- 'Panic' button (minimiser feature) for when the boss appears!
- And much, much more…