Built for e-ink solving
This digital Sudoku book is designed for reMarkable users who want hard puzzles, clean pages, and fast navigation on a tablet.
The puzzles are rated SER 8.5 to 9.0, making this a serious extreme Sudoku set for experienced solvers.
Tap the hyperlinked index to jump to any puzzle, then follow the answer links to the key and back with your stylus.
- 100 unique extreme Sudoku puzzles
- Hyperlinked index and answer links
- Complete answer key included
- Standard reMarkable PDF for reMarkable 2 and Paper Pro
- Paper Pro Move PDF for the 9:16 screen
- README instructions included
Prefer paper? See the Extreme Sudoku Large Print paperback edition on Amazon.
Common questions
Which reMarkable devices does this support?
The pack includes a standard PDF for reMarkable 2 and Paper Pro plus a separate file sized for the Paper Pro Move screen, with README instructions included.
How difficult are the puzzles?
All 100 puzzles are rated SER 8.5 to 9.0 and are meant for experienced solvers seeking extreme difficulty.
Is an answer key included?
A complete answer key is included with answers in back, and hyperlinks carry you between each puzzle and its solution.
