Printable and tablet-friendly PDF
Includes 200 extreme Sudoku puzzles with answers in back. The pack includes a compact PDF and a large print edition.
These puzzles are intended for advanced solvers and are rated SER 8.5 to 9.0. The difficulty stays in that band from the first grid to the last, so this set suits solvers who specifically seek out the hardest ratings. Choose the compact PDF or the large print edition depending on how you like to solve.
Prefer paper? The same puzzles are available as the Extreme Sudoku paperback puzzle book on Amazon.
Common questions
How hard are these puzzles?
Every puzzle is rated SER 8.5 to 9.0, so all 200 grids sit at extreme difficulty intended for advanced solvers.
Can I print the puzzles at home?
Yes, both editions are formatted for US Letter paper, and the PDF also reads well on tablets if you prefer solving on a screen.
Are the solutions included?
Answers are in back, so you can solve first and then check your work against the answer section.