Impossible Tic Tac Toe 2

Description: Classic Tic Tac Toe with different difficulty levels, use all your wits and try if you can beat the impossible level. A nice artificial intelligence game, Help us improve <a href="http://flashgamesspot.com/blog/impossible-tic-tac-toe-game-2">Impossible Tic Tac Toe</a> further with your comments.
Instructions: n/a