Sudoku School
Full Access members follow a guided lesson path, unlock future skills in order, earn badges, and build toward the Sudoku Skills Diploma.
Sudoku training that feels like a course
Master Sudoku step by step.
Sudoku Skills gives visitors a Daily Puzzle and Beginner Random Puzzle demo, gives free accounts the core solver and progress tools, and gives Full Access members the complete learning path with animated walkthrough replay, Sudoku School, the curated Library, OCR import, PDF Books, badges, and the Sudoku Skills Diploma.
Free solver accountLimited access starts after sign-in
Full Access walkthroughsAnimated step replay
OCR and What-IfPractice from real puzzles
Badges and diplomaEarn visible progress
Your next breakthrough
Learn the move, not just the answer. Sudoku School turns each puzzle into a coached practice session with smart nudges, notes, and replay tools that help the logic click.
Badges to diplomaBuild from first wins to candidate logic, branching, famous puzzles, and What-If mastery as every badge moves you closer to the Sudoku Skills Diploma.
Why it feels different
Not just a solver. A training room for your Sudoku brain.
Basic visitors can try the Daily Puzzle and Beginner Random Puzzle. Limited free accounts add the core solver, saved progress, notes, nudges, history, and statistics. Full Access adds animated walkthrough replay, the complete curated Puzzle Library, Sudoku School, OCR scanning, PDF Books, badges, and the Sudoku Skills Diploma.
Walkthroughs that teach
Full Access members replay logical fills, successful guesses, manual moves, and final solved states with timeline controls and board highlights.
Your solving replay
Manual moves, candidate notes, and inferred explanations turn your own path into a reviewable lesson.
Smart nudges
Ask for one useful next step without surrendering the whole puzzle or spoiling the lesson.
What-If training
Explore alternate cube combinations and see how wrong paths get stuck or contradict.
OCR scan and import
Full Access members can choose a Sudoku image, review recognized givens in the browser, validate, and import.
Daily Puzzle and stats
Basic visitors can try the Daily Puzzle. Signed-in members add saved progress, completion history, and streak tracking.
Saved puzzles
Create a free account to unlock Limited access for saved board state, candidate notes, and your manual replay history.
Puzzle Library
Full Access unlocks 200 curated practice puzzles grouped by difficulty and teaching tags. Basic visitors can still try the Daily Puzzle and Beginner Random Puzzle.
Installable PWA
Install Sudoku Skills for a focused mobile experience while server-backed actions stay online and account-aware.
Print and PDF Books
Limited and Full users can print one clean puzzle sheet. Full Access members can generate a Sudoku Skills PDF Book with puzzles and matching solutions.
Choose your next challenge
The Puzzle Library is the new starting point.
Open the Library from App tools to start with the Daily Puzzle or a Beginner Random Puzzle demo. Limited accounts add blank boards and higher random difficulties. Full Access unlocks the complete curated non-School practice Library and recommendations. School lesson puzzles stay inside the Full Access School path so the course can preserve lesson order, progress, and badges.
Beginner practice
Try a generated Beginner Random Puzzle as a visitor, then upgrade to Full Access when you want curated beginner sets.
Intermediate logic
Practice candidate thinking, row/column/box constraints, and cleaner manual solving.
Expert What-If
Learn how the app explains branching choices without turning the board into a black box.
Access model
Create a free account for the solver. Upgrade when you want the complete course.
Basic is the visitor demo experience with Daily Puzzle and Beginner Random Puzzle access. Limited is the signed-in free solver experience. Full Access is the monthly or annual membership for animated walkthrough replay, the complete curated Puzzle Library, Sudoku School, badges, the Sudoku Skills Diploma, PDF Book generation, and Sudoku OCR.
Feature
Basic
Limited
Full
Marketing pages, product previews, registration, and sign-in
Included
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Daily Puzzle and Beginner Random Puzzle demo
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Core solver, manual entry, Validate, blank puzzles, advanced random puzzles, and Nudge
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Included
Save, resume, history, and stats
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Included
Animated walkthrough replay
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Complete curated Puzzle Library and recommendations
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Sudoku School, badges, and Sudoku Skills Diploma
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PDF Book generation
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Sudoku OCR scan import
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Full Access membership
Monthly and annual options
Prices load from the active Stripe plan configuration so the site can reflect future pricing changes without hard-coded homepage copy.
Guided curriculum
Sudoku School gives practice a purpose.
Preview the badge path and see how a Sudoku course can tell you what to learn next. Full Access members get ordered lessons, completed-lesson review, advanced training, and the Sudoku Skills Diploma. Dedicated lesson puzzles stay inside the School overlay so progress, badges, and review remain tied to your account.
Ordered lessons
Locked future skills
Reviewable walkthroughs
Badges and diploma
Collect every School badge
From First Steps through the full Sudoku Skills Diploma.
Paper solvers welcome
Print one puzzle or generate a full PDF Book.
Many Sudoku fans think best with pencil and paper. Signed-in users can print a single clean puzzle sheet, while Full Access members can generate a server-side downloadable book of 5, 10, or 15 puzzles with a Sudoku Skills cover page, two puzzles per page, headers and footers, page numbers, and numbered solutions at the end.
One-page print view
PDF Books of 5, 10, or 15 puzzles
Two puzzles per page
Numbered solutions included
Intermediate Logic Practice
Skill level: Intermediate
PDF Books are generated server-side with puzzle pages first and compact numbered solutions at the end.
Start with one puzzle. Stay for the progress.
Try the Daily Puzzle or a Beginner Random Puzzle as a visitor. Create a free account for Limited access to the core solver, saved puzzles, history, and stats. Upgrade to Full Access when you want animated walkthrough replay, 200 curated puzzles, Sudoku School, OCR import, PDF Books, badges, and the diploma path.