･When you link more than 3 of the same panel, a panel disappears.･A panel is more than 3 and it's possible to put a panel. ･When youcouldn't put any more a panel, a game ends. ･When tracing a panelreversely, you can cancel the put panel. ･When you put out a panelcontinuously, the score increases. ･When you put out more than 2kinds of panel at the same time, you get a score bonus.