
Kurodoko: Japan Puzzle
Train your brain daily
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Free
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About
Love Sudoku or brain-teasing puzzle games? Discover Kuromasu now – the ultimate logic challenge from Japan! No guessing required; just use pure logical thinking to conquer every level.
Your mission is to light up the board by correctly placing Black and White cells:
Each number on the board represents the total number of White cells it can "see" horizontally and vertically.
Black cells act as "walls" that block the line of sight.
Note: Black cells cannot be placed next to each other, and all White cells must be seamlessly connected!
Diverse levels: Thousands of puzzles ranging from basic (5x5) for beginners to massive boards for experts.
Intuitive tutorial: Built-in interactive step-by-step tutorial helps you master the rules in just 1 minute.
Minimalist UI & Dark Mode: Modern, eye-friendly interface that lets you focus 100% on solving the puzzle without distractions.
Play offline anytime: No Wi-Fi required, featuring smooth auto-save functionality.
Download Kurodoko today to keep your brain sharp!
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What's New in Kurodoko
1.0.2
May 10, 2026
Improve performance




