12x12 Hard Sudoku – Vertical
Description:
If you’re ready for a larger board and a steeper challenge, our layout fits the bill. The page displays one 12x12 Sudoku puzzle in a vertical orientation, letting you focus entirely on filling in more cells and more subregions than the standard 9x9. This Hard-level puzzle demands attention to detail, ensuring a satisfying stretch for your logical thinking and deduction skills.
All it takes is a few clicks to get started—our platform is free, so you can generate new puzzles any time you want. If you’d rather explore different difficulty settings, smaller grids like 6x6, or even bigger ones like 16x16, just tap the “edit settings” button. Check the preview, download your PDF, and print a fresh challenge as often as you please. It’s a convenient, cost-free way to enjoy a more expansive take on Sudoku whenever you have some free time or need a stimulating break.
Customer reviews
Sorry! I wrote a review and forgot to put stars!! I loved the previous planners I've used but this version doesn't seem to have functionality with Supernote digest, "to do," and calendar functions or the ability to "insert page". If this were fixed, I would give 5 stars!
Purchased item:
Supernote Bullet Journal
I have absolutely loved your previous planners for my Supernote A5X! However, the 2026 version doesn't have the functionality of the previous years. There's no way to add pages (like for longer journal entries), the "digest" feature is completely unusable, as is the ability to circle text and send it to my "To Do" list or the Calendar in the Supernote.
I spent a lot of time setting up my perfect planner before I realized the problems it had. Without these essential features, I won't be able to use the planner anymore and will now have to search elsewhere. Is there any plan to fix this?? I hope!
Purchased item:
Supernote Bullet Journal
es genial! totalmente personalizable
Purchased item:
Kindle Scribe Ultimate Planner
It's my third year of using it. Always useful and customizable
Purchased item:
Ultimate Planner for reMarkable
is it possible to have 4 pages for daily Pages section rather than 2?
Purchased item:
ONYX BOOX - Ultimate Planner