Bachi Doku: Logic Puzzle
Sudoku Brain & Grid Challenge
Free
Challenge your brain with colorful grids, clever deduction, and thousands of relaxing logic puzzles that get harder as you progress.
Challenge your brain with colorful logic puzzles where every Bachi must find the perfect place.
Bachi Doku: Logic Puzzle combines the satisfying deduction of Sudoku with colorful grid puzzles and simple placement rules.
SIMPLE RULES, CLEVER LOGIC
Every puzzle follows four rules:
• Exactly one Bachi in every row
• Exactly one Bachi in every column
• Exactly one Bachi in every colored region
• Bachi cannot touch diagonally
Study the grid, mark impossible cells with X, eliminate possibilities, and use logic to discover the unique solution.
THOUSANDS OF PUZZLES
Progress through thousands of logic puzzle levels across:
• 5×5 grids
• 6×6 grids
• 7×7 grids
• 8×8 grids
Start with approachable puzzles and gradually take on more challenging boards that require deeper reasoning and careful deduction.
A DIFFERENT KIND OF SUDOKU CHALLENGE
There are no numbers to calculate or place. Instead, use rows, columns, colored regions, and neighboring cells to determine where each Bachi belongs.
If you enjoy Sudoku, logic puzzles, brain games, grid puzzles, and deduction challenges, Bachi Doku offers a fresh puzzle to solve at every level.
THINK AT YOUR OWN PACE
There is no timer. Take your time, study every possibility, mark cells with X, and find the next logical move.
Use Undo when needed or get a Hint when you are stuck.
CUTE PIXEL ART
Enjoy colorful pastel grids, charming Bachi characters, and a clean pixel art style designed to keep every puzzle clear and easy to read.
FEATURES
• Thousands of logic puzzle levels
• Sudoku inspired logic gameplay
• Brain puzzles and grid puzzles
• Unique puzzle solutions
• Color region challenges
• 5×5, 6×6, 7×7 and 8×8 grids
• Progressive difficulty
• Logic and deduction challenges
• Hints and Undo
• No timer
• Leaderboards
• Cute pixel art graphics
• Simple controls
Put your logic skills to the test and see how many Bachi Doku puzzles you can solve.
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The developer, CEREMESH CO., LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CEREMESH CO., LTD
- Size
- 50.6 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 CEREMESH CO., LTD
