Goal: Fill in certain cells on the grid to reveal a hidden pattern. Each cell is either filled (dark) or empty.
How to read the clues: Every row and column has numbers next to it. These numbers tell you how many groups of filled cells are in that line, and how long each group is.
A clue of 5 means there is one group of 5 filled cells in a row, with no gaps.
A clue of 3 1 means there are two groups – first a group of 3 filled cells, then a gap of one or more empty cells, then a group of 1 filled cell.
A clue of 1 1 1 means there are three separate filled cells, each with at least one empty cell between them.
The clues only tell you about filled cells. The empty cells in between are for you to work out.
Example: If a row in a 5-cell grid has the clue 2 1, the possible arrangements are:
■■□■□ or ■■□□■ or □■■□■
(■ = filled, □ = empty)
How to play:
Click a cell to fill it (dark).
Click a filled cell to mark it with an X – this means you are sure it is empty.
Click an X cell to clear it back to unknown.
Helpful tips:
Start with the largest numbers – they give you the most information.
If a clue equals the grid size (e.g., 5 in a 5-cell row), fill the entire row.
If a clue is 0 or empty, the entire row or column is empty – mark them all with X.
Use X marks generously to keep track of cells you know are empty.
When a row or column is complete, its clues will gray out so you can focus on the rest.
Undo: Click Undo (or Ctrl+Z) to reverse your last action. You can undo as many times as you like.
Nonogram
Use the number clues to fill in the grid and reveal a hidden picture.
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