Game guide · 2COPE
Hitori: instructions and practice
Hitori gives you a focused activity to play in your browser. Shade repeated numbers while keeping black cells separated and all white cells connected. Look at what changes after your first action. Check the rule that explains your first action. Keep the game area visible while you use its controls.
Play twelve 5×5 puzzles. Any shaded starting cells remain fixed.
A focus for your next round
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Refer to the controls when needed.
The goal to keep in mind
Shade repeated numbers while keeping black cells separated and all white cells connected. An attractive position is not enough unless the goal is met. Notice how the game responds to your input.
The playing sequence
- Click a cell to shade, mark or clear it.
- No unshaded number may repeat in a row or column.
- Black cells cannot share an edge.
- Check puzzle verifies duplicates and connectivity.
Making selections and moves
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Read a button’s label before selecting it. Return to the rules if the result is unexpected.
See how the rules apply
Two identical unshaded numbers in one row cannot both remain. Compare this with the rule that governs the move. Consider the next action carefully.
Avoid this misunderstanding
Removing every duplicate can disconnect white cells. Check the rule before repeating the action. After a move, check what changed. Decide which rule explains the new state before acting again.
If you are unsure
For my first round, what is the goal of Hitori?
Here is the relevant explanation: Shade repeated numbers while keeping black cells separated and all white cells connected.
Before I begin, how do I control Hitori?
Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
While learning, what example helps explain Hitori?
Two identical unshaded numbers in one row cannot both remain.
When I return, what should I watch out for in Hitori?
The key detail is this: Removing every duplicate can disconnect white cells.
While reading the Guide, what format does Hitori offer?
Play twelve 5×5 puzzles. Any shaded starting cells remain fixed.
As a new player, which play mode does Hitori use?
The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
For this browser game, where should I start with Hitori?
Click a cell to shade, mark or clear it.
For this browser game, do I need an account or a payment for Hitori?
For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.
As a new player, how can I find Hitori again?
The key detail is this: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
For this browser game, how do I report an issue with Hitori?
Here is the relevant explanation: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.