Discover 100+ Hand-Picked Sudoku Websites, Apps & Books
Tools and platforms for puzzle creators.
As an Amazon Associate, we earn from qualifying purchases.
Hand-curated lists for every type of Sudoku player — ranked by rating and real-world usage.
Learn the basic rules and strategies for solving Sudoku puzzles effectively.
Master advanced solving techniques like X-Wing, Swordfish, and more.
Discover helpful tips to improve your Sudoku solving speed and accuracy.
Explore the fascinating origins and evolution of Sudoku puzzles.
Quick-reference cheat sheet covering every rule, technique and term. Print it out and keep it handy!
Our 7-day structured training plan to bridge the gap from Easy to Medium puzzles.
Every Sudoku term from A to X-Wing, with difficulty tags and technique links.
Complete Killer Sudoku guide with full sum chart, Rule of 45, and cage strategies.
Explore Killer, Sudoku-X, Hyper, Samurai and Jigsaw variants beyond the classic 9x9.
The best Sudoku books, apps, websites and gear curated by logic-first solvers.
5 hand-picked YouTube tutorials — from your very first puzzle to Snyder notation and beyond.
Generate custom puzzles at any difficulty, play in your browser, or print a full PDF sheet.
Stuck on a puzzle? Use our hint generator to find the next logical move.
Submit your Sudoku website, app, or resource to our directory