Tic Tac Toe is a well-known free puzzle game also known as. "Wick Wack Woe". "Noughts or Crosses". "x & o". Train your brain! It is great to structure logical thinking, spend your free time, challenge your friend. Free Tic Tac Toe game offers: 3 game levels to chose from. 2 players game (multiplayer mode). 1 player game against computer. 3х3 and 10x10 boards.