Solve one of six 10×10 puzzles used in my study of computational and human-perceived Nonogram difficulty.
Start a puzzle
Fill the grid using the clues beside each row and column.
A research puzzle will be selected at random.
How to play
Nonogram rules
Each clue gives the lengths of filled groups in that row or column.
Separate consecutive groups with at least one empty cell.
Use × to mark cells you know are empty.
Complete the puzzle by finding every filled cell.
Puzzle complete
Solved
Human study
MiniSat22
In the study, solver statistics did not closely reproduce the human difficulty ordering.
Time0:00
Ready to solveStart when you are ready.
Filled0 / 0
About the project
These puzzles were used to compare SAT-solver statistics with human difficulty ratings and solving behaviour. Personal bests stay on this device; no gameplay data is collected. Read the research paper or view the research poster.