12x12 Hard Sudoku – Horizontal

Description:

Yearning for a broader layout while you tackle a sizable Sudoku board? Our Sudoku might be exactly what you’re looking for. The puzzle spans the width of the page, creating an open, easy-to-view playing field. With a Hard difficulty setting, even experienced solvers will need to be systematic and thorough, verifying each possible digit before settling on the correct answer.

You’ll never worry about hidden fees here—our puzzle generator is entirely free. Generate a batch for yourself or share them at group events to see who can complete this larger grid first. Remember that you can always customize your puzzle preferences by hitting the “edit settings” button. Feel free to explore different Sudoku dimensions or switch to a different difficulty if you want to dial down or ramp up the challenge. Once you’re done, simply print and immerse yourself in an entertaining mental workout.

The actual PDF might look slightly different compared to what you see as a preview.
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Customer reviews

0 of 5 stars 4.7 of 5 stars
Lori

I know I'm capable of creating and adjusting the finer details of my own calendar like this in Excel or some other program, but I've been using up my spoons with so many other things that I'm just relieved to stumble across someone who's already done it and made it available for purchase so I don't have to use up any more. I prefer filled versus bound planners because I don't have to risk overhauling the whole planner because I want to redo a few pages.  This also lets me mix and match planner styles, such as using a 15-minute planner template with specific time slots as needed to keep up with appointments and this template that I'm currently reviewing as a lesson planner. I'm using a self-paced course to train for a new career and wanted something that worked for my brain to plan specific deadlines to meet academic goals without getting bogged down by the visual noise of other daily activities. This template has been great for visualizing how many days I have left until the deadline I set and how much I need to get done each day to make sure I meet that deadline.

23 Jun, 2026
Natalie

Not necessarily a review because all of your templates are fantastic and easy to print. I am hoping that eventually you'll make an A7. I know it's tiny, but I'm not that important and don't need to write too many notes. 

05 Jun, 2026
Mark Zielberg

great planner with quick delivery

04 Apr, 2026
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Alison

Quick and easy to access. Love the fact I can print the templates in a variety of page sizes to fit a variety of planners.

Purchased item:

Templates Premium Access
04 Apr, 2026
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Angela

love these products for remarkable!

04 Apr, 2026
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