Play the classic Tic-Tac-Toe game for free Android with one or two players. The Tic Tac Toe game is a game for two players, called "X" and "O", who take turns marking the spaces in a 3. 3 grid. The player who succeeded in placing three respective marks in a horizontal, vertical, or diagonal row wins the game. Features: One Or Two Player (Computer and Human). Player Goes First. Computer Goes First. Minimal Design. Simple Interface. 3. 3 Option.