🧠 Sudoku & Variants by Logic Wiz – Free Relaxing Brain Training Puzzle Game
Discover the ultimate free Sudoku experience with Sudoku & Variants by Logic Wiz – a fun, relaxing, and brain-boosting number puzzle game. Whether you're a beginner or a puzzle master, this game will challenge your logic and sharpen your mind.
Enjoy the classic Sudoku puzzle, and explore over 35 exciting Sudoku variants that introduce new rules and strategies. Each variant offers a fresh logic twist—like Killer Sudoku, Diagonal Sudoku, Sandwich Sudoku, Arrow Sudoku and many more—to keep your brain engaged and thinking differently.
Take on our Themed Weekly Challenges, where curated puzzle sets revolve around fun, creative topics to keep things fresh and engaging week after week.
🧩 Features:
• Play a wide variety of puzzles for free
• Classic Sudoku puzzles for all skill levels
• Over 35 unique Sudoku variants to explore
• Thousands of carefully handcrafted puzzles for a high-quality solving experience
• Unique logic puzzles that train different parts of the brain
• Themed Weekly Challenges with creative puzzle sets
• Smart hints and strategy explanations—no guessing required
• Beautiful, minimal design for focused play
• Six difficulty levels, from Beginner to Master
• Perfect for daily brain training and relaxation
• New variants and boards are added occasionally
The Variants:
Classic Sudoku, Killer Sudoku, Sandwich Sudoku, Jigsaw (Irregular) Sudoku, Thermo, Diagonal, Arrow, Windoku, Skyscraper, Zipper Line, X-Sum, Little Unique Killer, Consecutive, Non-consecutive, Palindrome, Kropki, German Whisper, Dutch Whisper, Chess Knight, Chess King, Bishop, Greater-than, XV, Reflection, Quadruple, Slingshot, Slow Thermo, Even Odd, Between Lines, Lockout lines, Running Cells, Ascending Series, Renban, Universal, Couples, Twisted Consecutive
Additional Game Features:
• Multiple variants on a single board
• Unique solution to each puzzle
• All boards designed and created by Logic-Wiz
• Gallery game view
• Play multiple quests & games concurrently
• Cloud Sync - Synchronize your progress over multiple devices
• Keep Screen Awake
• Light and Dark Theme
• Sticky digit mode
• Filter by your favorite variants
• Remaining cells of a digit
• Select multiple cells at once
• Select multiple cells at distributed locations of the board
• Multiple pencil marks styles
• Double notation
• Auto remove pencil marks
• Highlight matching digits and pencil marks
• Multiple error modes
• Performance tracking for each puzzle
• Statistics and Accomplishments
• Unlimited Undo/Redo
• Various cell marking options – highlights and symbols
• Combinations Panel for Killer and Sandwich boards
• Track and improve solving time
• Board preview
• Easy resumption of unfinished boards
• Mobile Phones and Tablets
Inspired by the world of Cracking the Cryptic and other advanced puzzle communities, Sudoku & Variants by Logic Wiz is ideal for solvers who love clever twists and deep logic without the need to guess.
Whether you're looking for a relaxing mind game or a challenging strategy puzzle, this free Sudoku app is your go-to for logic fun.
Dear Logic Wizards,
Our new hints received very favorable feedback from beta testers and are now available to everyone in this release! For all those who participated in the Beta, thank you so much for your valuable feedback.
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What's in This Release:
- New Hints – Now accessible to all players.
- Hints Summary Mode.
- Fresh Puzzles – New challenges across all difficulty levels.
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Happy solving, and enjoy the new challenges ahead!
The Logic Wiz Team
In This Release:
- New Premium variant - Universal.
- New beautiful & challenging puzzles in all the levels.
- Additional enhancements & bug fixes.
Dear Logic Wizards, a new release with several enhancements. We'd love to hear your feedback by email: support@logic-wiz.com. We hope you enjoy this release.
In This Release:
* New challenging and entertaining Premium Variant: 'Ascending Sequences'.
* Improved AI.
* New free and premium puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizards,
A new minor release featuring a few bug fixes and performance enhancements. This update also includes the ability to play the app using 'Bluestacks'.
Thank you for your continued support.
Dear Logic Wizzers, a new release with several exciting enhancements. We'd love to hear your feedback : support@logic-wiz.com. We hope you enjoy this release.
In This Release:
* New Premium variant - Zipper Line.
* Added sorting options by: Errors, Hints and Error & Hints. Available from the 3 dots menu in the games screen.
* Enhanced filtering allows to select/deselect more than 8 variants.
* New beautiful & challenging puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizzers, a new release with several enhancements . We'd love to hear your feedback: support@logic-wiz.com. We hope you enjoy this release.
In This Release:
* New Premium variant - X-Sum.
* New challenging puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizzers, a new release with several enhancements .
In This Release:
* New Traditional Chinese translation.
* New Premium variant - Skyscraper.
* New beautiful and challenging puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizzers, a new release with several enhancements .
In This Release:
* New Traditional Chinese translation.
* New Premium variant - Skyscraper.
* New beautiful and challenging puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizzers, a new release with exciting new features and enhancements.
In This Release:
* New Premium Variant: Slow Thermo.
* 'Locked Solved Cells' - help prevent accidental errors.
* 'Auto Complete' - auto completion of regions with one empty cell.
* Filter Enhancement - Option to filter puzzles which include all the selected variants.
* Error and hints information above the puzzle.
* New beautiful and challenging puzzles in all the levels.
Dear Logic Wizzers, a new minor release with few bug fixes and a new Ukrainian translation. Thank you Serhii Reshetytskyi for all your help with the translation. We'd love to hear your feedback : support@logic-wiz.com.
Dear Logic Wizzers, a new release with exciting new features and enhancements.
We'd love to hear your feedback : support@logic-wiz.com.
We hope you enjoy this release.
In This Release:
* New Premium Variant: Dutch Whispers.
* New beautiful and challenging puzzles in all the levels.
* Additional enhancements & bug fixes.
Dear Logic Wizzers, a new release with exciting new features and enhancements. We'd love to hear your opinion and suggestions. We hope you like it.
In This Release:
* New free variant - 'Couples'.
* Statistics - comprehensive statistics of puzzles and levels, available from the navigation bar of the main screen.
* Puzzle history statistics - located in the puzzle review screen.
* Adventures Puzzles show now progress and completion.
* New puzzles in all levels.
Dear Logic Wizzers, a minor release with several enhancements. We hope you like it.
In This Release:
* Sort completed puzzles by either number, or date of completion, activated in the vertical 3 dots in the puzzles screen.
* Running Cells: Long press the number to the left of the row, or above the column to mark the row or column as completed.
* New Puzzles in all the levels
* Additional various enhancements & bug fixes.
Dear Logic Wizzers, a new release with a new exciting premium variant and several enhancements. We hope you like it.
In This Release:
* New Premium Variant - Lockout lines.
* New beautiful free and premium games in all the levels.
* Additional various enhancements & bug fixes.
Dear Logic Wizzers, a minor release with several enhancements. We hope you like it.
In This Release:
* Sort completed puzzles by either number, or date of completion, activated in the vertical 3 dots in the puzzles screen.
* Running Cells: Long press the number to the left of the row, or above the column to mark the row or column as completed.
* New Puzzles in all the levels
* Additional various enhancements & bug fixes.
Exciting news, Logic Wizzers! A new release is here and it's jam-packed with additions and improvements.
In this release:
- New premium Variants 'Renban Lines' in core zone: 'Logic Lane'.
- Weekly Challenges are now in the *Adventures* zone.
- Add strategies description in hints.
- 'Hidden cages' hint shows the hidden cage geometry.
- New beautiful Free and Premium puzzles in all the zones and levels.
- Added variant color to puzzles rules.
Exciting news, Logic Wizzers! A new release is here and it's jam-packed with additions and improvements.
In this release:
- New premium Variants 'Renban Lines' in core zone: 'Logic Lane'.
- Weekly Challenges are now in the *Adventures* zone.
- Add strategies description in hints.
- 'Hidden cages' hint shows the hidden cage geometry.
- New beautiful Free and Premium puzzles in all the zones and levels.
- Added variant color to puzzles rules.
Great News, Logic Wizzers!, we are very excited to introduce Logic Wiz 2.0 which is jam packed with new features and improvements. We cannot wait for you to try it out and let us know what you think.
Exciting news, Logic Wizzers! A new release is here and it's jam-packed with additions and improvements.
In this release:
- New premium Variants 'Renban Lines' in core zone: 'Logic Lane'.
- Weekly Challenges are now in the *Adventures* zone.
- Add strategies description in hints.
- 'Hidden cages' hint shows the hidden cage geometry.
- New beautiful Free and Premium puzzles in all the zones and levels.
- Added variant color to puzzles rules.
Hello Wizards! Minor release with several bug fixes and enhancements.
* Improved pencil marks layout in Killer Sudoku.
* New Setting "Pencil Mark Mode Indication", enable/disable green pencil mark mode indication.
* Time penalty is removed from "Fill Pencil Marks".
* "Fill Pencil Marks" is no longer experimental.
Hello Sudoku lovers, a new release with an exciting new variant and various enhancements. We hope you like this release.
In This Release:
- New Premium Variant: Slingshot, core variant in Wild West.
- Addition to the Killer variant: Cages with no sum, the only killer rule that applies to these cages is that digits cannot repeat in a cage.
- New puzzles in all zones and levels.
- Additional various enhancements and bug fixes.
In This Release:
- New Premium Variant: 'German Whisper' core variant in 'Logic Lane'.
- Improved handling of Large digit buttons.
- Variants On-boarding.
- All boards in the app which include the core variants are now also part of the zone to which the core variant belong to, with the exception of Jigsaw boards.
- New boards in all zones and levels.
- Various enhancements and bug fixes.
In This Release:
- New Premium Variant: 'German Whisper' core variant in 'Logic Lane'.
- Improved handling of Large digit buttons.
- Variants On-boarding.
- All boards in the app which include the core variants are now also part of the zone to which the core variant belong to, with the exception of Jigsaw boards.
- New boards in all zones and levels.
- Various enhancements and bug fixes.
Hello Logic Wizzers, a new release with new languages ( Japanese, Polish and Croatian) and few long anticipated features. Thanks for all our users who contributed to the translation of the app: Karolina Hanuszczak(Polish) and Lucija Vrcek( Croatian). We hope you like this new release.
**In This Release:**
- New Languages.
- Review completed board.
- Experimental feature: 'Fill Pencil Marks'.