Tic Tac Toe by Optical

Put away your pencil and paper, and start playing with Tic Tac Toe on your phone, iPod Touch for free!!

On a 5x5 grid, two players (one may be a computer) take turns to X or O. The winner is the player who is first to have 4 stones in a row (either horizontally, or vertically, or diagonally).

Features:
- Play against AI
- Play against your friend
- Play against your friend or stranger using different devices
- Three difficulty levels
- Free app, no advertisements
Tic Tac Toe is fun, simple, and free.