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SudokuCurated Directory — Courses, Videos, Books & Websites

27 Resources

19 Videos

5 Courses

3 Websites

Top Rated

This AMAZING Trick Can Solve Extreme Sudoku

How To Get SO Good At Sudoku You Ignore Difficulty

How To Play Sudoku

About Sudoku

Dive into the world of Sudoku, where logic meets challenge! This category features a variety of Sudoku puzzles ranging from beginner-friendly grids to mind-bending extreme levels, perfect for enhancing your problem-solvi…

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This AMAZING Trick Can Solve Extreme Sudoku

This AMAZING Trick Can Solve Extreme Sudoku

The video presents one powerful, high-leverage trick for cracking "extreme" Sudoku by emphasizing disciplined candidate marking and pattern recognition that turns complex webs into straightforward eliminations. Through step-by-step examples the creator shows how to spot the right patterns, mark candidates efficiently, and chain logical eliminations so you can eliminate guesswork and shave minutes off difficult solves. If you're deciding whether to watch, expect a practical, replicable method plus practice tips to integrate into your routine and reliably upgrade from intermediate puzzles to truly hard ones.

How To Get SO Good At Sudoku You Ignore Difficulty

How To Get SO Good At Sudoku You Ignore Difficulty

The video distills seven concrete, practiceable tips—systematic row/column/box scanning, disciplined pencil-marking and candidate elimination, plus pattern-based deductions (e.g., X‑wing style reasoning)—so you solve by method rather than by a puzzle’s label. It pairs those tactics with a stepwise training plan: short focused drills to build fast pattern recognition, mental templates to spot recurring configurations, and strict error-checking to prevent backtracking. If you want actionable techniques and a structured routine that turn “hard” puzzles into routine challenges, this short guide shows exactly how to get there.

How To Play Sudoku

How To Play Sudoku

This step-by-step beginner course teaches practical, repeatable methods to solve standard 9x9 puzzles, emphasizing logical scanning, cross‑hatching, candidate marking, and elimination rather than guesswork. Through guided walkthroughs and pattern-based tips you’ll learn to spot naked and hidden singles, use candidate notation to reduce options, and build a solving routine that turns confusing grids into manageable steps. If you want an efficient, hands-on introduction that takes you from stumbling through puzzles to reliably completing easy-to-moderate Sudoku—and gives the core strategies needed before tackling advanced tactics—this course is a solid, practical starting point.

KDP Puzzle Books: Create & Publish Sudoku & Word Search

KDP Puzzle Books: Create & Publish Sudoku & Word Search

This course is a simple, step-by-step guide to creating Sudoku and Word Search puzzle books and publishing them on Amazon KDP.

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Top Sudoku Resources

This AMAZING Trick Can Solve Extreme Sudoku

This AMAZING Trick Can Solve Extreme Sudoku

The video presents one powerful, high-leverage trick for cracking "extreme" Sudoku by emphasizing disciplined candidate marking and pattern recognition that turns complex webs into straightforward eliminations. Through step-by-step examples the creator shows how to spot the right patterns, mark candidates efficiently, and chain logical eliminations so you can eliminate guesswork and shave minutes off difficult solves. If you're deciding whether to watch, expect a practical, replicable method plus practice tips to integrate into your routine and reliably upgrade from intermediate puzzles to truly hard ones.

How To Get SO Good At Sudoku You Ignore Difficulty

How To Get SO Good At Sudoku You Ignore Difficulty

The video distills seven concrete, practiceable tips—systematic row/column/box scanning, disciplined pencil-marking and candidate elimination, plus pattern-based deductions (e.g., X‑wing style reasoning)—so you solve by method rather than by a puzzle’s label. It pairs those tactics with a stepwise training plan: short focused drills to build fast pattern recognition, mental templates to spot recurring configurations, and strict error-checking to prevent backtracking. If you want actionable techniques and a structured routine that turn “hard” puzzles into routine challenges, this short guide shows exactly how to get there.

How To Play Sudoku

How To Play Sudoku

This step-by-step beginner course teaches practical, repeatable methods to solve standard 9x9 puzzles, emphasizing logical scanning, cross‑hatching, candidate marking, and elimination rather than guesswork. Through guided walkthroughs and pattern-based tips you’ll learn to spot naked and hidden singles, use candidate notation to reduce options, and build a solving routine that turns confusing grids into manageable steps. If you want an efficient, hands-on introduction that takes you from stumbling through puzzles to reliably completing easy-to-moderate Sudoku—and gives the core strategies needed before tackling advanced tactics—this course is a solid, practical starting point.

KDP Puzzle Books: Create & Publish Sudoku & Word Search

KDP Puzzle Books: Create & Publish Sudoku & Word Search

This course is a simple, step-by-step guide to creating Sudoku and Word Search puzzle books and publishing them on Amazon KDP.

Sudoku made Easy

Sudoku made Easy

A concise, beginner-focused course that teaches the rules and a small set of repeatable logical techniques—scanning, candidate marking, and elimination—so you can solve puzzles without guessing. It emphasizes a step-by-step workflow and pattern recognition that turn messy grids into solvable steps, with practical tips to avoid common mistakes and build speed. If you want to move quickly from occasional luck to consistent, logical solving and increase your confidence on progressively harder puzzles, this course gives clear, practiceable strategies to get you there.

Sudoku Handbook: Best Online Sudoku Strategy Resources

Sudoku Handbook: Best Online Sudoku Strategy Resources

This handbook curates free, platform-specific resources—from Reddit explainers and Instagram annotated puzzles to apps, blogs and solver tools—so you can pick the exact format (text walkthroughs, visual annotations, interactive drills) that matches your learning style. It arranges materials into a practical learning path with focused lessons and practice checkpoints that teach concrete techniques like candidate elimination, naked/hidden pairs, X-Wing and Swordfish and then give immediate practice and feedback. If you want to improve without hunting for quality links, this time-saving roadmap pairs bite-sized tutorials, drill-based apps and active communities to accelerate progress from basic elimination tactics to advanced pattern strategies.

7 Best Free Sudoku Website Picks for 2025

7 Best Free Sudoku Website Picks for 2025

This 2025 roundup names Sudoku Kingdom the top free pick because it delivers a wide array of puzzle types with instant, registration‑free play—perfect if you want immediate, varied practice without creating an account. For improving technique, the article stresses choosing sites with structured difficulty progression, on‑puzzle hints and technique tutorials so you can develop pattern recognition and solve more consistently. When deciding whether to engage, match the site to your goals: pick ad‑light, mobile‑responsive, registration‑free platforms for casual daily play, or sites offering timers, printable puzzles and progress tracking for deliberate practice and measurable improvement.

The Secret of Sudoku

The Secret of Sudoku

Learn the basic skills of solving any sudoku puzzle this course will guide you through the essential strategies and advanced techniques needed to master Sudoku.

New to Sudoku? Learn how to play in this beginner-friendly tutorial!#sudoku #sudokubook #sudokutips

New to Sudoku? Learn how to play in this beginner-friendly tutorial!#sudoku #sudokubook #sudokutips

Learn the core rules and a step-by-step solving workflow—start by filling obvious numbers with scanning and cross-hatching, then use pencil marks to track candidates and avoid early guessing. The tutorial teaches practical strategies like box-line reduction and candidate-elimination techniques, with live examples showing how to spot recurring patterns (pairs, triples, unique rectangles) that unlock stalled puzzles. If you're deciding whether to watch, expect hands-on demonstrations and quick practice tips that will get you solving easy puzzles confidently and build the tactics needed for tougher grids.

Sudoku tutorial

Unity Game Tutorial: Sudoku 2D

Unity Game Tutorial: Sudoku 2D

Build a complete 2D Sudoku in Unity by implementing both a fast Fill Mix generator and a robust recursive backtracking generator/solver, gaining hands‑on experience with C# scripting, Unity UI/grid management, input validation, and puzzle serialization. Learn practical techniques to guarantee unique, solvable puzzles and tune difficulty—comparing the Fill Mix tradeoffs (speed and simplicity) with recursive backtracking (solution guarantees and deeper algorithmic debugging), plus tips for hints, validation logic, and performance optimization. Ideal for Unity developers who want a compact, deployable project that combines gameplay UX with algorithmic problem‑solving and clear implementation patterns you can extend to other logic‑puzzle games.

Those Chess Sudoku Variations

Those Chess Sudoku Variations

Cam Dennis's amazing puzzle is here: https://cracking-the-cryptic.web.app/sudoku/Rn6FtF2n9j Try it EITHER as King Sudoku ...

sudoku variants

7 Best Free Sudoku Website Picks for 2025

7 Best Free Sudoku Website Picks for 2025

This roundup presents seven free Sudoku sites for 2025 evaluated on practical factors—puzzle variety, ease of access, and whether you can jump straight into games without signing up—so you can pick quickly based on real needs. Sudoku Kingdom is highlighted for offering the broadest mix of puzzle types and immediate, no‑registration play, making it ideal for players who want to experiment with different strategies and difficulty levels on the fly. Use the list to match a site to your learning goal: pick platforms with advanced puzzles and progress‑tracking for deliberate practice, or choose Sudoku Kingdom for frictionless, varied sessions that build pattern recognition and speed.

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

Lesson #10: X-wing patterns appear often and can be used as a Sudoku solving strategy to eliminate candidates. This quick ...

sudoku variants

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

This lesson teaches you how to detect X‑wing patterns—two aligned candidate pairs across rows or columns—and use them to eliminate candidates across four cells, turning common stalemates into straightforward deductions. It also presents a rectangle-based rule that leverages paired candidates inside boxes to force eliminations or avoid dangerous uniqueness-rectangle traps, so you can make logical progress without guessing. If you want a compact, tactical upgrade to cut guesswork and speed through stubborn medium-to-hard puzzles, the clear examples and typical pitfalls shown make this lesson worth watching.

A Sudoku Secret to Blow Your Mind - Numberphile

A Sudoku Secret to Blow Your Mind - Numberphile

Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Second ...

sudoku variants

An Introduction To Variant Sudoku: Puzzle 1

An Introduction To Variant Sudoku: Puzzle 1

Today's Sudoku *** Many of our viewers have noted that it would be a good idea if, occasionally, we aimed videos explicitly at ...

sudoku variants

Introduction to Sudoku

In which I solve an EXTREME SUDOKU for Twitter

In which I solve an EXTREME SUDOKU for Twitter

I'm Scott Strosahl, and today I'm solving a sudoku that was requested by Kia7 on twitter. You can try 'extreme' sudoku yourself at ...

sudoku variants

Sudoku Variants by Logic Wiz

Sudoku Variants by Logic Wiz

App Ad Get it Free in the App Stores: https://share.logic-wiz.com/download.

sudoku variants

Yet Another New Sudoku Variant!

Yet Another New Sudoku Variant!

Here's where you can play SVS 379 - Multiplarrows Sudoku by Richard Stolk: https://sudokupad.app/Hp97h2FtB4 Normal sudoku ...

sudoku variants

New Sudoku Variant

The "Empty Grid" Sudoku

The "Empty Grid" Sudoku

Join Simon at 10pm UK time tonight - 90 minutes after this video goes live - for his attempt at The Music Box Challenge in The ...

sudoku variants

Empty Grid Sudoku

Genuinely Approachable Variant Sudoku

Genuinely Approachable Variant Sudoku

Here's where you can try Polarity by A_Majestic_Hobo: https://app.crackingthecryptic.com/sudoku/qLDQq7tn94 Normal sudoku ...

sudoku variants

Approachable Sudoku

Sudoku Secrets No. 2: The X-Wing #shorts

Sudoku Secrets No. 2: The X-Wing #shorts

In response to viewer suggestions, we're planning to make a series of YouTube Shorts (videos less than 1minute long) where we ...

sudoku variants

Learn How To Tackle Sudoku Variants!

Learn How To Tackle Sudoku Variants!

KICKSTARTER LINK◁ https://www.kickstarter.com/projects/peterchayward/cracking-the-cryptics-greatest-hits?ref=docedl Thanks ...

sudoku variants

Tackle Sudoku Variants

How To Create A Sudoku Masterpiece

How To Create A Sudoku Masterpiece

NEW SUDOKU PUZZLE HUNT AVAILABLE NOW ◁ You can find our brand new sudoku hunt on Patreon now! Can you unlock ...

sudoku variants

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