Each number gives the length of a consecutive run of filled cells in that
row or column. Separate multiple runs by at least one empty cell; a
0 means the whole line stays empty.
Fill: left click a cell that must be black.
Mark X: right click a cell that must stay empty.
Example: “2 1” means two filled cells, a gap, then one filled cell.
Check: use Check Answers to validate your progress.
Finish: complete all clues to reveal the cat.
Nonogram solving guides
Use these existing pages when you want printable Picross practice, beginner solving tips, or a faster route to a guided puzzle set.
Best for beginner logic practice, quiet puzzle time, step-by-step Picross lessons, and printable solving practice.
Print the blank grid, solve with pencil marks, then reveal or use the answer view after a full attempt.
Start with 5x5 or beginner grids, then move to 10x10, 15x15, and larger challenge sets.
Use the previous and next set links to stay inside the same page family before jumping to broader hubs.
Answer key policy
Answer support is available for review after a real attempt; printable answer-key behavior depends on the activity type.
Same-family next steps
Use the previous and next set links to stay inside the same page family before jumping to broader hubs.
Measurement events
This page should measure landed, started, used hint, checked answer, completed, printed/downloaded, shared, and clicked next events when the matching controls exist.