Hitori Puzzle

Hitori

A quiet logic garden

Shade duplicates while keeping every white cell connected.

0
Moves
0
Shaded
1
Seed
• Unique lines
✓ Black spacing
✓ White network

How to play

Shade cells so no number repeats in any row or column; black cells never touch and white cells stay connected.

Origin & history

Hitori is a logic puzzle developed and popularized by Japan's Nikoli, its name meaning 'leave me alone'.

FAQ

Can every puzzle be solved by logic alone?

Yes. Every board has a unique solution, reachable by chains like 'shading this cell would break a rule' without guessing.

Is my progress saved?

The current board and your records are stored only in this browser's localStorage. There is no account or server save.