One of the most popular and accessible puzzles is tic-tac-toe. It was played before the advent of computers. And with their emergence, the game has reached a new level and now you don’t have to look for a pencil and paper, but play directly on your phone. Chill Tic Tac Toe can be played with two players or alone against AI. Your symbol is a zero, which you will oppose to a cross. Build a line of zeros and win. The moves take place one after the other in Chill Tic Tac Toe.