Original Sudoku Page-A-Day® Calendar 2025

A year of Sudoku puzzles hand-crafted by Nikoli, the Japanese company that invented the game.
Face off with a master. Don’t settle when it comes to your Sudoku: Serious Sudoku lovers choose puzzles hand-crafted by Nikoli, the Japanese company that invented the game. Every puzzle in this calendar is hand-crafted by the best Sudoku makers in the world—not from a computer—to balance toughness and solvability and keep you hooked. The week begins with the easiest puzzles and the difficulty increases day by day. Just in case you need them, solutions are printed on the back of the pages.?Printed on responsibly sourced paper and 100% recyclable.

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.