Tic Tac Toe Free is a classic game of Tic Tac Toe that's been around for decades. It's a simple game that has a straightforward rule: you can only move in one direction (i.e. to the right or to the left) and you have to make your moves before your opponent does. When you make a move, you have to place the piece in the appropriate position on the board. Once you've placed a piece, you can then make another move. The game ends when the last piece is placed on the board or when the player wins the game, which is usually when the player has captured all of the opponent's pieces.