SudoCraft: Sudoku Logic Puzzle

SudoCraft is a Sudoku puzzle app for classic number grids and variant challenges. Choose a difficulty, use pencil notes and reason through each cell at your own pace. Explore jigsaw Sudoku and killer Sudoku when you want a different set of constraints, or start with the tutorial to learn the basics.

Classic Sudoku
Fill the grid using standard Sudoku rules: each row, column and region must contain the permitted numbers without repeats. Select a difficulty that gives you an enjoyable level of challenge.

Jigsaw and killer variants
Try irregular regions in jigsaw Sudoku or additional sum constraints in killer Sudoku. Check the rules for the selected mode, because a familiar-looking grid may require a different solving approach.

Notes, hints and progress
Record candidate numbers in note mode and use available hints when you become stuck. Saved game progress helps you continue a puzzle instead of completing it in a single sitting.

Tutorial and extra challenges
Use the beginner tutorial to learn basic reasoning, and explore the available solver and Schulte number-search challenge. These offer different ways to work with number patterns.

Everyday uses
Useful for a quiet break, a regular puzzle habit or learning how Sudoku deductions work. It is a logic game for recreation; it does not promise a rating increase, medical benefit or improvement in cognitive health.

How to use
Choose a puzzle type and difficulty, inspect the rules, enter numbers or pencil notes, use a hint when needed and return to the saved grid to finish the challenge.

Important information
Work from visible constraints instead of guessing blindly. After placing a number, check its row, column and region. In killer Sudoku, consider cage totals; in jigsaw Sudoku, follow the irregular boundaries. A slower solved puzzle can be just as enjoyable as a timed session.

Learn the goal before the first move
Read the selected game’s rules and identify what counts as success. A familiar board may still have a different mode or constraint. Begin with a manageable challenge and focus on understanding the available moves rather than trying to finish immediately.

One device and shared play
If a local two-player mode is available, agree on the rules before starting and take turns clearly. Local play means sharing the same device. Do not assume that a multiplayer-looking screen provides online matchmaking on every platform.

A comfortable pace
Choose the challenge that suits the time and attention you want to spend. Timed play and untimed exploration can both be enjoyable. A slower session gives you room to inspect patterns, while a short session can be a convenient break.

Keep the board readable
Choose the available visual settings that make pieces, cells and numbers clear. A comfortable theme is a matter of preference; it does not change the rules. Avoid playing so quickly that a small screen causes unintended taps or obscures a relevant detail.

Separate a game from a guarantee
Puzzle and board-game practice is for entertainment and learning the game itself. It does not establish a medical outcome, an official rating or a guaranteed improvement in other tasks. Enjoy the challenge and use progress information as an in-app reference.

Access and subscriptions
Some tools, higher usage limits or output options may require paid access. The app shows the available features, price and billing period before purchase. Google Play subscriptions renew automatically unless canceled. Manage or cancel a subscription in Google Play. Trial availability, if offered, is shown at checkout.

Privacy and permissions
Review the relevant permission prompts and the privacy policy for how information is handled. You decide which of your material to import, keep or share. Check the selected content and destination before sharing a result. Online features require connectivity.

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