Tic Tac Toe Master puzzle

TicTacToe Master is a highly skilled 2 player game where the goal is to take turns marking the correct spaces, playing against the computer or a friend. Challenge yourself on a traditional 3 X 3 grid or in custom board sizes from 5×5 to 8×8. Tic-tac-toe is a fun game that you can play any time and anywhere as long as you have a piece of paper, a pencil, and an opponent. Tic-tac-toe is a zero-sum game, which means that if both players are playing their best, then neither player will win. However, if you learn how to play tic-tac-toe and master some simple strategies, then you'll be able to not only play but win the majority of the time. If you want to know how to play tic-tac-toe, then see Step 1 to get started.