Chocona

About Chocona

A Nikoli-style region shading puzzle. Shade cells black so all black cells form rectangles and each numbered region has the correct count of black cells.

Description provided by GameZipper.

How to play

1. The grid is divided into regions shown by thick borders. Some regions have number clues.
2. Click a cell to shade it black. Click again to unshade it. Black cells must form solid rectangles.
3. Each numbered region must contain exactly that many black cells.
4. All black cells on the board must form rectangular blocks (rectangles or squares).
5. Press Check to verify your solution. All clues must be satisfied and all black cells must form valid rectangles.

Controls

This game supports touch, keyboard, mouse input; the exact controls are explained inside the game.

Questions

What is Chocona?

Chocona is a Nikoli-style region shading puzzle. You shade cells black so that all black cells form rectangular blocks (rectangles or squares), and each numbered region contains the exact count of black cells indicated by its number.

How do you play Chocona?

Click cells to shade them black or unshade them white. The goal is to make all black cells form solid rectangles while ensuring each numbered region has exactly the right number of black cells.

What are the rules of Chocona?

1) Shade cells black to satisfy region number clues. 2) All black cells must form rectangles or squares. 3) No two separate black rectangles may touch orthogonally (diagonal is fine). 4) Numbers indicate how many cells in that region must be black.