Player Red goes first. You can select which column to drop the checker to by using the right or left arrow keys, when you pick the column you can drop a checker with spacebar or the enter key. Player 2 (blue) goes second. Players will alternate turns after playing a checker.
Play alternates until one player gets four checkers of his or her color in a row.
The four in a row can be horizontal, vertical, or diagonal.
Red: 0
Blue: 0