Tic-tac-toe AKA noughts and crosses, or Xs and Os, is a game for your watch where it's you against the built in AI watch player. In classic play mode 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). Supports multiple game win variation challenges. Compete against the AI player at four difficulty levels. The app tracks game results and provides statistics so you can see how well you've done against your AI opponent.