Tic Tac Toe is a game that is usually played on paper and pencil for two players, better known as the Tic Tac Toe game. You can start a two player game against your friend or prefer the Hard mode for a developed AI! Noughts and Crosses Game Rule: Tic Tac Toe is a puzzle game for two players, who take turns marking the free space on a grid. The player who places 3 symbols in a row in a horizontal, vertical or diagonal row wins the game. Noughts and Crosses game features: • 3 difficulty levels: