TicTacToe Original by Playtouch. Whether you’re standing in a line or spending time with your kids. Stop wasting paper and save trees. Because of the simplicity of Tic Tac Toe, it is often used as a pedagogical tool for teaching the concepts of good sportsmanship and also for teaching artificial intelligence. More Brain games: Tic Tac Toe Blackboard, TicTacToe, VW Bus Jigsaw. What is a Online Game.