When you beat the game in normal mode you unlock the extra mode that includes the Chain Attack. It also includes an ultra play video that shows you how to get more points and it lets you see your ranking. Also after you beat the game in hard mode you unlock the two extra mode in the extra mode menu. This includes another ultra play movie that shows you how to get a 400 chain. There is also a screen saver that plays a fireworks show for you, and a fireworks mode where you make your own fireworks show!