Killer Sudoku Zen

Welcome to Killer Sudoku Zen. A unique experience that combines
the classic Sudoku challenge with the Killer sum system, all in a
relaxing and handcrafted atmosphere.

🧩 HOW TO PLAY
Fill the 9x9 grid following the classic Sudoku rules: each number
from 1 to 9 must appear only once in each row, column and 3x3
block. In Killer, the numbers in each cage must also add up to the
indicated value. An extra pure logic challenge!

🎯 4 DIFFICULTY LEVELS
- Easy: Ideal for beginners
- Medium: For those who already know the basics
- Hard: Advanced reasoning required
- Expert: Only for the best

📅 DAILY CHALLENGE
A brand new exclusive puzzle every day. Keep your streak and see
how far you can go!

✨ FEATURES
- Notes system to organise your reasoning
- Hints for when you need a little help
- Detailed statistics by level and game mode
- Sound effects and relaxing handcrafted visuals
- Ad-free version available

🎨 ZEN VISUAL
Developed with a rustic and cosy visual identity, Killer Sudoku Zen
turns every puzzle into a moment of focus and tranquillity.

Developed by BQ STUDIO with dedication and care.
Enjoy the game! 🧘