Tic Tac Toe is a game where 2 player game in which the objective is to take turns and mark the correct spaces, play against computer or against a friend. Challenge yourself from a traditional 3 X 3 grid, or custom board size from 5×5 to 8×8 tic tac toe,board game,2 player game,strategy game,computer game,friend game,custom board,5x5,8x8,game,board,classic game