How to Play Hitori

THE PLAYBOOK · YINGONG123

How to play Hitori

Hitori on YINGONG123 is organised around a clear objective: Shade repeated numbers while keeping black cells separated and all white cells connected. Begin with learn from a completed round and use the playbook beside the game.

Play twelve 5×5 puzzles. Any shaded starting cells remain fixed.

Learn from a completed round

Finish a round where possible, then identify one decision you would change. Revisit the example or mistake section for a focused second attempt.

Your goal

Shade repeated numbers while keeping black cells separated and all white cells connected.

Step by step

1. Click a cell to shade, mark or clear it.
2. No unshaded number may repeat in a row or column.
3. Black cells cannot share an edge.
4. Check puzzle verifies duplicates and connectivity.

Controls

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

A useful example

Two identical unshaded numbers in one row cannot both remain.

Watch out for this

Removing every duplicate can disconnect white cells.

Common questions