Sudoku training, not just Sudoku answers

Learn why each move works.

Sudoku Skills turns solving into a lesson. Load a puzzle, enter your own, or scan one from a page, then review every placement, hint, guess, and What-If branch step by step.

Start playing Compare access levels

Hint

R5C5 can be 5. The row, column, and box remove every other candidate.

What-If

When logic runs out, compare valid branches and learn why the wrong path fails.

What exists today

A solver built around teaching.

The current app already focuses on learning. The next milestones will wrap this foundation in accounts, progression, statistics, and a guided Sudoku School.

Step-by-step walkthroughs

Replay logical fills, successful guesses, manual moves, hints, and final solved states.

What-If training

Explore alternate cube combinations and see how wrong paths get stuck or contradict.

Hints and validation

Get a single useful next step, check your board, and learn from highlighted issues.

Scan and import

Choose a Sudoku image, review recognized givens in the browser, validate, and import.

Manual replay

When you solve by hand, your own path becomes a walkthrough you can review later.

Candidate notes

Practice with pencil-mark style notes and visual assist highlighting.

Access model

A simple path from curious visitor to Sudoku pro.

This grid describes the planned membership direction. The playable app is available today; accounts, subscriptions, and Sudoku School are upcoming milestones.

Feature

Not logged in

Free account

Paid subscriber

Play demo and generated puzzles

Included today

Included

Step walkthrough, hint, validate

Included today

Included

Save and resume across visits

Local/recent only today

Planned

Puzzle history and personal stats

Planned basic stats

Advanced stats

Daily puzzle and streaks

Planned

Expanded

Curated library and tags

Sample puzzles

Beginner/intermediate

Full library

Sudoku School training path

Preview

Starter lessons

Full curriculum

Compare with community stats

Planned

Coming direction

Sudoku School will turn practice into progression.

Logged-in learners should eventually move through curated puzzle paths that build skill deliberately: beginner fundamentals, intermediate logic, advanced What-If reasoning, and expert famous puzzles.

Try the current app

BeginnerRows, columns, boxes, givens, notes, and first forced moves.

IntermediateCandidate elimination, only-place logic, and better walkthrough reading.

AdvancedGuess-heavy puzzles, branch review, contradictions, and manual replay.

ProFamous puzzles, speed, accuracy, reduced hint dependence, and rankings.