Nonogram
About Nonogram
Read the number clues on each row and column. Numbers tell you how many consecutive filled squares appear in that line, in order. Tap to fill squares, long-press to mark empties, and use logic to solve the picture!
How to Play Nonogram
- Each number clue shows a group of consecutive filled squares in that row or column.
- Multiple numbers mean multiple separate groups, in order left-to-right or top-to-bottom.
- Tap a cell to fill it. Long-press (or switch to Cross Mode) to mark a cell as empty.
- Drag across cells to fill or cross-out a whole row or column in one stroke.
- Clues turn green when that row or column is correctly solved. Solve them all to win!
Frequently Asked Questions
What do the numbers mean?
Each number is the length of one consecutive group of filled cells in that line. A clue of '3 1' means a group of 3, a gap, then a group of 1.
How do I mark a cell as empty?
Long-press on mobile, or right-click on desktop. You can also switch to Cross Mode using the button below the board.
Is my best time saved?
Yes — best time per difficulty is saved in your browser.
Can I undo a mistake?
Yes — tap the ↩ Undo button, or press U / Ctrl+Z on a keyboard.












