Every line changes who will eventually be forced to open a chain.
Tap an empty connection between two neighboring nodes.
Make the fourth side of a box and it becomes yours. You immediately play again.
Late in the match, opening one box can hand an opponent an entire connected run of territory.
Drag on empty space to orbit the board. Pinch to zoom. The floating View button gives instant camera presets.
Your current board stays exactly where you left it.