Range — Color Blacks Whites

PowerSkyStudio

About this game

Range is a classic logic puzzle game, also known as Kurodoko, Kuromasu, or Where is Black Cells. The game rules are simple yet challenging: you need to color some squares black in a grid, satisfying the following conditions: no square with a number is colored black, no two black squares are adjacent, there is a path between any two white squares using only white squares, and each number denotes the total number of white squares reachable from that square.

Key Features:
[Core Gameplay]
Color squares black according to the rules: no square with a number is colored black, no two black squares are adjacent, there is a path between any two white squares using only white squares, and each number denotes the total number of white squares reachable from that square.
[Custom Grid]
Set grid width and height to adjust difficulty.
[Controls]
Left click to paint squares black, right click to mark squares (indicating they should not be black), use arrow keys to move, Enter key for left click, Space key for right click.
[Night Mode]
Android version supports night mode for comfortable gaming in low-light environments.
[Preferences]
Configure mouse button behavior to suit personal operating habits.

Instructions:
Objective
Complete the puzzle by logically determining which squares to color black.
Steps
1. Observe the numbers and layout of the grid
2. Deduce which squares should be black based on the rules
3. Click to color squares black or right click to mark squares
4. Check if all conditions are satisfied
5. Start a new game after completing the puzzle

Pro Tips
- Start analyzing from squares with larger numbers
- Pay attention to the connectivity between squares
- Use elimination to determine which squares must be white or black

Download Range now and challenge your logical thinking limits!

What’s new

Range — Classic logic puzzle (Kurodoko/Kuromasu). Color squares black: no numbered blacks, no adjacent blacks, keep whites connected, numbers show reachable white count.

Core Gameplay: Follow all rules to solve each puzzle.
Custom Grid: Adjust width and height for your preferred difficulty.

Download Range now and challenge your logical thinking limits!