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Nonograms, also known as Hanjie, Griddlers, or Picross, are picture logic puzzles where cells in a grid must be colored or left blank according to numbers at the side of the grid.
Solving the puzzle reveals a hidden pixel art picture. Invented in 1987 by Non Ishida, they have become a global phenomenon for logic puzzle enthusiasts.
The numbers on the top and left of the grid indicate the lengths of consecutive filled squares in that given row or column.
For example, a clue of '4 2' means there is a block of 4 filled squares, followed by at least one empty square, followed by a block of 2 filled squares in that line.
Always start with the largest numbers. If the grid is 10x10 and a clue is '10', you can fill the entire row instantly.
Use 'overlapping'. If a grid is 10x10 and the clue is '8', the block must take up at least the middle 6 squares, regardless of whether it starts at the far left or far right. Mark empty squares with an 'X' to visually eliminate impossible placements.
Nonograms heavily train deductive reasoning and the ability to project multiple possibilities in your mind.
The visual reward of discovering the hidden picture at the end of the puzzle makes Nonograms highly engaging and satisfying.
Yes! Nonograms go by many names, including Picross, Griddlers, and Hanjie, but the rules are identical.
An 'X' is used by the player to mark a cell that they logically know must remain empty. This is crucial for solving harder puzzles.