Best Free Hitori Game
Shade cells so no number repeats in a row or column, shaded cells never touch, and the rest stay connected.
Level 1
press P to pause
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How to play
- Spot the duplicates. Look along each row and column for numbers that appear more than once — one copy of each will need to be shaded.
- Shade a cell. Click (or tap) a cell to black it out; click again to clear it. Shaded cells are removed from the no-repeat check.
- Keep the rules. Make sure no two shaded cells touch side by side and that every unshaded cell stays connected.
About Hitori
Hitori — Japanese for alone — is a shading logic puzzle that works by elimination instead of filling. You start with a grid full of numbers, and your job is to black out the right cells until three rules all hold at once: no number appears more than once among the unshaded cells in any row or column, no two shaded cells touch side by side, and every unshaded cell is still connected to the others in one group. Because some numbers are deliberately duplicated, leaving the grid untouched is never a solution. Each puzzle is generated fresh from a valid shading. No signup, no download, nothing uploaded.
Frequently asked questions
Shade out cells until three rules all hold: no number appears twice among the unshaded cells in any row or column, no two shaded cells touch side by side, and every unshaded cell is still connected to the rest. Click a cell to shade it and click again to clear it.
Some numbers are duplicated in their row or column on purpose, so the untouched grid always breaks the no-repeat rule. You have to shade exactly one copy of each offending number.
All the unshaded cells must form a single group where you can travel between any two of them by moving up, down, left or right through other unshaded cells. If shading splits the grid into islands, the rule is broken.
Yes. Each puzzle is built from a valid shading pattern that satisfies all three rules, so a working solution always exists and can be found by logic.
Difficulty sets the grid size: easy is 5×5, normal is 7×7 and hard is 9×9. Larger grids pack in more duplicates and more interacting rules.
Completely free, with no signup, no download and no paywall. Puzzles are generated and played entirely in your browser — nothing is uploaded.
Yes. It runs in your browser, so Hitori works on phones and tablets as well as desktop — there is no app to install.
No. Hitori works with no signup at all; an optional free account only exists to unlock higher usage limits.
Usually just a few seconds for a typical file — Hitori starts working the moment you give it your input.
Your input is processed in memory and never stored, so nothing is left behind once you have your result.