The cat follows the mouse pointer Interactive puzzle 1: 1. Pressing the B key makes the cat bigger, S makes it smaller 2. Whenever the sprite hears a loud sound, it changes color 3. Whenever the sprite is in the top 25% of the screen, the cat says "I like it up here" 4. When the sprite touches the blue square, it plays a high note, but plays a low note when it touches the red circle 5. When the sprites collide, the boys says "excuse me"