This game is much easier with two players. To play, press space to start, click the yarn ball to start the game, For the cat on the left, use the up arrow key to move up and the down arrow key to move down. For the cat on the right, use the 1 key to move up and the 2 key to move down, but most of all: have fun! The object of the game is to pass the yarn from cat to cat without letting it touch the wall behind either cat.