Nonogram

Logic puzzle where clues reveal hidden pixel art

Time 00:00

Rules

Objective

Fill the grid based on number clues to reveal a hidden pixel image.

Understanding Clues

  • Click to fill a cell.
  • Mark cells you are sure are empty.
  • Click and drag to fill or mark multiple cells at once.

Who is this for?

  • Logic lovers who prefer deduction over guesswork
  • Users wanting to train working memory by balancing multiple clues
  • Fans of pixel art and visual discovery puzzles

Best moments to play

  • On long commutes: Immersive logic that makes time fly
  • Deep focus training: Progress from 5x5 to 15x15 to test your limits
  • Before bed: Rhythmic logic helps clear the mind from daily stress

Player tips

1
Start Big

Solve rows or columns with the largest numbers first.

2
Cross it Out

Use "✕" marks aggressively to narrow down valid positions.

3
Cross-Check

After every fill, immediately check the intersecting line clues.

Fun observations

Logical Art

"Nonograms turn cold mathematical set theory into beautiful visual art."

Flow State

"High-difficulty puzzles induce a "scanning" mindset that blocks out distractions."

Mental Mapping

"Regular play improves the brain's ability to visualize structured data."

Need more puzzles?

Try classic Sudoku or boost your memory with Dual N-Back.

Play Sudoku Try N-Back

FAQ

Should I guess when I'm stuck?
Never. Every cell is logically deducible. Guessing usually breaks the puzzle further down the line.
What if the logic doesn't work?
Use the "Check" button to find mistakes. Usually, a small error in block spacing is the culprit.
Why did the numbers turn gray?
This indicates the line currently matches the clue requirements, though it doesn't guarantee it is correct.