is to complete a row of four pieces first.
Select if you
want to play against the computer or play against other player.
Use the mouse
or the left and right arrow keys to position your piece at the top
right or left of the 3D board game.
If using the mouse, Click on the piece to slide it into position.
If using the keyboard press ENTER or SPACEBAR to slide the piece
into selected column.
Press DELETE or BACKSPACE to start a new game.