One pebble per territory
Every colored territory needs exactly one placement.
Exactly One · In development
A tactile logic puzzle. One pebble in every row. One in every column. One in every territory. No two may touch.
The idea
Every colored territory needs exactly one placement.
No two pebbles can share the same row or column.
Neighboring pebbles need breathing room, including diagonally.
Exactly One is a tactile logic puzzle. One pebble. Every territory.