Tic Tac Toe: Board Game play online

Tic Tac Teo (American English), noughts and crosses (Commonwealth English and British English), or Xs and Os/X's Osies (Ireland), is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 33 grid. The player who succeeds in placing three of their marks in a diagonal, horizontal, or vertical row is the winner.