This is a new incarnation of ultimate tic-tac-toe game. Here you can change dimension and depth of game board creating custom desks!
The game contains any mode you might wish: you can play with bot on chosen difficulty or with friends through Internet or on a single device. Also there is interactive rules description.
Find more details here:
http://www.aivanf.com/eng/note/tactictoy
Maintain your brain activity while having fun!