Tic-tac-toe AKA noughts and crosses, or Xs and Os, is now a game for your watch where its you against the built in AI watch player. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner. You can play as X (cross) or O (nought). Compete against the AI player at four difficulty levels. The app tracks game results and provides statistics so you can see how well youve done against your AI opponent.