Hitori: 250 Hitori Logic puzzles for adults (8×8, 9×9, 10×10, 11×11, 21×21)

Description

Ready for a deeper Hitori challenge?

This book includes 250 Hitori logic puzzles for adults, carefully arranged across progressively larger grid sizes to provide sustained mental engagement and satisfying solving sessions.

Included grid sizes:

8×8 – engaging and balanced
9×9 – steady logic progression
10×10 – extended problem-solving flow
11×11 – advanced focus challenge
21×21 – extra-large grids for serious puzzle enthusiasts

The larger the grid, the more attention, planning, and logical consistency it requires. The 21×21 puzzles offer a true deep-dive experience for experienced solvers who enjoy complex number logic.

Each puzzle is presented in a clean, easy-to-read layout, making it comfortable to solve at home, during travel, or as part of a daily brain-training routine.

✔ 250 carefully designed puzzles
✔ Medium-to-advanced solving experience
✔ Large-format grids up to 21×21
✔ Solutions included for convenient checking

If you enjoy structured logic, number puzzles, and extended concentration challenges, this collection delivers hours of screen-free entertainment.