12×12 Sudoku Puzzles
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Easy (50)
Medium (50)
Hard (50)
Expert (50)
Frequently Asked Questions
What is a 12×12 Sudoku?
A 12×12 Sudoku is an advanced number logic puzzle using a grid of 144 cells, divided into twelve 3×4 boxes. Place digits 1–12 exactly once in each row, column, and box.
How hard is 12×12 Sudoku compared to 9×9?
12×12 is considerably harder — it has 63 more cells, more candidates per cell, and requires extended scanning. Most solvers who enjoy 9×9 hard or expert puzzles will find 12×12 a satisfying new challenge.
Can I print 12×12 Sudoku puzzles?
Yes! All our 12×12 puzzles are printable PDF format with solutions included. Use A4 or Letter paper for best results.
What techniques work for 12×12 Sudoku?
All standard sudoku techniques apply — naked singles, hidden singles, pairs, and triples. The larger grid means more candidates, so X-Wing and Swordfish patterns appear more frequently.
How many given numbers are in a 12×12 Easy puzzle?
Easy 12×12 puzzles typically have 48–60 given numbers (out of 144 cells), while Hard puzzles may have only 32–40 givens.