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Solve nonogram puzzles using row and column number clues to reveal a hidden pixel picture. Also known as Picross or Hanjie.
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About Nonograms
Nonograms — also known as Picross, Hanjie, or Griddlers — are one of the most satisfying logic puzzles ever invented. Each puzzle hides a pixel-art picture inside a blank grid, revealed cell by cell as you decode the number clues along each row and column.
The clues are deceptively simple: a “3 2” on a row means there’s a block of three filled cells, a gap, and then a block of two filled cells — in that order. The challenge is that the exact positions of these blocks are unknown, and you must deduce them using constraints from both row and column directions simultaneously.
Nonograms were invented independently in Japan in the 1980s by Non Ishida and Tetsuya Nishio. Nintendo popularized them worldwide as “Picross” in the 1990s, and they’ve been a staple of logic puzzle magazines and handheld games ever since. The appeal is universal: you never need to guess — every solution follows logically from the clues.
BePuzzled offers five grid sizes from 5×5 to 25×25. Beginners will find 5×5 and 10×10 puzzles ideal for learning the core techniques, while 20×20 and 25×25 grids provide a genuinely demanding challenge that can take an hour or more to complete.
Frequently asked questions
What is a nonogram?
A nonogram (also called Picross or Hanjie) is a logic puzzle where you fill cells in a grid according to number clues given for each row and column. The numbers tell you how many consecutive filled cells appear in that line.
How do you solve a nonogram?
Start with rows or columns that have large numbers relative to the grid size — these have fewer possible positions and are easiest to determine. Use the overlap technique: if a block must appear somewhere in a range, the overlapping cells are definitely filled.
Are nonograms the same as Picross?
Yes — nonograms, Picross, Hanjie, and Griddlers are all names for the same style of logic puzzle. Picross is Nintendo's brand name for their version.