The game is also called XO or X and 0 (x and zero). In some places the game Tic-tac-toe is also known as Noughts
and crosses or Xs and Os
The game it's challenging because every time you win, you will proceed to the next level. This way you can achieve new high scores.
In the first games, the size of the game table will be greater after each level, making the game more complicated. If you lose, then the game will be restarted.