Hexadoku 16x16 Sudoku Puzzles To Print -

Due to space, here’s the first row of a medium Hexadoku (symbols 1–G? No – proper hex uses 0–F):

Row 1: 0 _ _ 3 | _ _ _ 8 | _ _ _ C | _ _ _ F
Row 2: _ 5 _ _ | 9 _ _ _ | _ _ 1 _ | _ D _ _
(…and so on for 16 rows)

A full printable version will show all 256 cells in a clear, non‑condensed grid. hexadoku 16x16 sudoku puzzles to print

Are you ready to level up?

You’ve mastered the classic 9x9 grid. The 6x6 offerings feel like a warm-up. Now, it’s time to step into the big league: Hexadoku. Due to space, here’s the first row of

Also known as 16x16 Sudoku or "Super Sudoku," Hexadoku transforms the familiar logic game into an epic brain-teasing marathon. Instead of numbers 1–9, this beast uses the digits 0–9 and letters A–F (representing values 10–15). That’s 16 symbols in total—and 256 squares to fill.

Unlike 9x9, the jump between difficulty levels in Hexadoku is exponential. Row 1: 0 _ _ 3 | _

If you’ve mastered classic 9×9 Sudoku and crave a deeper, more immersive logic challenge, Hexadoku is your next frontier. Also known as 16×16 Sudoku or Sudoku 16, this oversized variant replaces digits 1–9 with the hexadecimal characters 0–9 and A–F (or 1–16). The result? A massive, satisfying grid that tests your pattern recognition and patience like nothing else.

Look for "Naked Pairs" or "Hidden Triples" within the rows and columns.

Standard 9x9 Sudoku strategies (Singles, Hidden Pairs, X-Wing) still apply, but they look different on a 16x16 canvas. Here is your strategic upgrade.