Mega Tic-Tac-Toe

Tic Tac Toe with a twist: You have to win a small field to put your mark down on the larger one. Your oponent will have to put his mark down in the corresponding large field to the small field you previously chose. If that field is already won, he/she can choose any field he/she wants. Active fields are marked as red. o starts the game.

Have fun :)