Killer Sudoku (Sumdoku/Mathdoku/Addoku) puzzles include all the rules of regular Sudoku, but add in dashed-line 'cages', which must sum to given values. This great brain exerciser will provide you many hours of new Sudoku experience and be nice addition to your puzzle collection.
Current US price
Last checked 9 days ago
1 US price change since tracking began. Latest: $2.99. Lowest recorded $1.19 on Oct 12 UTC.
| Date (UTC) | Price |
|---|---|
| Oct 12 | $1.19, 60% off $2.99 |
| Oct 15 | $2.99 |
