Connect Four

Your goal is to get four pieces in a row.
The winner is the first to get four of his pieces in a straight line vertically, horizontally or diagonally.
Other names of this game: Four Up, Plot Four, Find Four, Fourplay, Four in a Row and Four in a Line.
This game is similar to tic-tac-toe game.
Connect 4 game is disc-dropping game; Alternately each player puts a disc in one row The disc falls down straight to the lowest empty slot in that column, occupying the lowest empty space within the column
Play against computer with Easy, Medium and Hard difficulty ,Or you may just play it with your friend.
Block your opponent discs with your own discs if he is getting too close to four in a row.