Sudoku X - Hard

Play free Sudoku X Hard online or download printable Sudoku X Hard (up to 4 puzzles per page) to solve with pen and paper.

Free Sudoku X Puzzle

Hard Sudoku 16 X 16 Puzzles: Sudoku Large Print Puzzle Books by

9+ Sudoku Variations & 5+ Sudoku-Like Puzzles & Games

Hard Archives - DIG SUDOKU

Vivi Loca (Irregular Killer Sudoku) — Rätselportal — Logic Masters

Sudoku Vector Set Hard: Over 225 Royalty-Free Licensable Stock

Sudoku Book for Adults Travel Size: 200 Easy to Hard Sudoku

Diagonal Sudoku: Sudoku X : 250 Very Hard Sudoku Diagonal Puzzles

Sudoku - 16x16

A hard Diagonal Sudoku (Sudoku X) with some tough logic

Harakiri Sudoku X

13 Easy Ways to Solve Hard Sudoku Puzzles - wikiHow