Tic-Tac-Toe is a popular pen-and-paper game played between two players. It is also known as Noughts and Crosses, Xs and Os. People play it all the time in schools and colleges. It is a very simple game. You can learn and play it easily.
Getting started
It takes only a few minutes to get started to play this game. You only need a couple of pens and some paper or a notebook. On the paper, you need to draw a 3 x 3 square grid.

How to play?
In the 3 x 3 square grid, both the players take turns to put their marks in the empty squares. The first player marks X and the second player marks O.

The players keep doing it until someone wins the game or the game ends in a draw. The player who first gets three marks horizontally, vertically, or diagonally wins the game.

Download the higher-resolution version of the Tic-tac-toe game image.
If no one wins the game and all the 9 squares are marked, the game ends in the draw. If you do not have pens and papers, you can also play it on Google, search Tic-Tac-Toe.
You can also play the tic-tac-toe game below.
Play tic-tac-toe game