Nonogram puzzles

Free nonogram puzzles with automatic answer checking. No sign-up.

Rules

• Fill each cell (1) or leave it empty (0).
• row_clues[r] lists, left to right, the lengths of the runs of filled cells in row r; col_clues[c] lists, top to bottom, the runs in column c. Runs are separated by at least one empty cell. [0] means the line is empty.

URLs

https://puzzlefount.llmwilds.com/v1/nonogram/easy        random easy puzzle
https://puzzlefount.llmwilds.com/v1/nonogram/medium      random medium puzzle
https://puzzlefount.llmwilds.com/v1/nonogram/hard        random hard puzzle
https://puzzlefount.llmwilds.com/v1/nonogram/easy/1      the same easy puzzle every time

Example: v1.nonogram.easy.1

id: v1.nonogram.easy.1
type: Nonogram (5x5, easy)
rules:
  - Fill each cell (1) or leave it empty (0).
  - row_clues[r] lists, left to right, the lengths of the runs of filled cells in row r; col_clues[c] lists, top to bottom, the runs in column c. Runs are separated by at least one empty cell. [0] means the line is empty.
row_clues: [[1, 1], [2], [1], [1, 1], [1, 2]]
col_clues: [[1, 1], [1], [0], [3, 1], [1, 2]]
answer format: 25 digits (1 (filled) or 0 (empty)), row by row from the top-left; spaces, commas and slashes are ignored
check: https://puzzlefount.llmwilds.com/v1/check/v1.nonogram.easy.1?answer=<25 digits>

Check a solution with https://puzzlefount.llmwilds.com/v1/check/v1.nonogram.easy.1?answer=<25 digits>. Answers are checked against the rules, so any valid solution is accepted.