Ultimate Tic Tac Toe is a free online mobile game that can be played in smartphone, tablet and
… More desktop, such as iPhone, iPad, iPod, Android phones, Android tablets and Windows phones. No installation is required. It is a puzzle game. Enjoy this classic game with the 3×3 scheme and two variant 5×5 and 7×7 where you have to place 4 marks instead of 3. The game was played 28 times since October 11, 2016. Now let's play the game online! Less 