You have to press A to move the red character back.you have to press the w key to go up,S to go down and D to go straight.To move the blue character you have to press the up arrow to go up,down arrow to go down,left arrow to go back,right arrow to go straight.You need two players to play this game on your computer.Whose score is greater than 20 first will win.
i took help from a youtuber.
