4.0
32 reviews
Content rating
Everyone
5K+
Downloads
Content rating
Everyone
Learn more
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About this game

Hexakai is a Sudoku-inspired puzzle game that challenges players with its unique hexagonal board layout. Dive into a world where strategy meets visual planning as you arrange hexagonal tiles to fill the board without repeating symbols in any row or diagonal.

Game Features:
• Hexagonal Boards: Explore the complexity and beauty of puzzles on boards made up of hexagons, providing a fresh perspective on traditional puzzle mechanics.
• Progressive Difficulty: Tackle puzzles that range from simple to complex, suitable for beginners as well as seasoned puzzle solvers.
• Streamlined Interface: Experience a user-friendly interface that allows you to focus on strategizing and solving puzzles.
• Note-taking: use the game's built-in pencil-marking and color-coding features to keep track of cell possibilities and tentative assignments.
• Achievements System: Earn achievements as you progress, adding an extra layer of challenge and satisfaction.
• Relaxed Pacing: Enjoy the game at your own pace with no timers, making it a perfect mental workout, stress-free.

Whether you're a fan of Sudoku or new to puzzle games, Hexakai offers a distinctive and engaging experience. Download now to begin your journey through the captivating world of hexagonal puzzles!
Updated on
Dec 12, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Device or other IDs
Data isn’t encrypted
Data can’t be deleted

Ratings and reviews

4.0
32 reviews
E
February 17, 2026
Just play sudoku. This game feels like it needs some time in the oven. Clicking on a number only highlights that single digit and rows it covers. The numbers you write down have a pop up that doesn't allow you to see the highlight. the diagonal design leads to eyestrain. The highlight is almost the same color as the tiles; it needs more contrast and leads to more eyestrain. Playing on anything higher than 5 rows and columns leads to even more eyestrain...
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Brandon Quinn - Author
February 17, 2026
I'm sorry to hear you were having troubles with the game. To help with the eyestrain, I'd suggesting switching to the dark theme or one of the other themes, this might help make things more visible. I've had some other suggestions for an improved input system as well, I'm currently working on an implementation for this.
Tallie Corridor
February 7, 2026
I love hexagons and sudoku so I would love to play this game, but it quickly got very frustrating to have the number menu obscure the entire board. perhaps if the menu were just a permanent fixture on the bottom like my regular sudoku app, and tapping a cell highlighted it with the rows and diagonals its part of
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Brandon Quinn - Author
February 7, 2026
I understand your frustration. Thank you for the feature suggestion, I'll look into implementing it.
Scott Childers
January 29, 2026
Great little game! No ads, no pop-ups. revenue seems to come from links to the creator's store. Also, it's a fun twist on sudoku without being too complex to quicly learn.
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What’s new

Improvements and bug fixes.