itsutsu
A game of Tic-tac-toe in progress

Tic-tac-toe三目並べ

Three in a row on a 3×3 board.

The one everybody knows.

Also known as Noughts and Crosses, Xs and Os, Tick-tack-toe.

The object 目的

  • Be the first to make a line: 3 or more in a row wins.

The whole rules of Tic-tac-toe 規則