Tic Tac Toe - Connecting Threes Square in a Row!

Tic tac toe is a addictive game for two players, X and O(two humans or human and computer), who take turns marking the spaces in a 33 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game. Support 3 modes:- One player mode: includes 3 difficulty levels, easy,medium and hard- Two player mode: you can play against your friends- Five row mode: who first get an unbroken 5 dots in 15*15 grid wins the game