As long as there are at least 3 same adjacant icons, you can click one of them to clear the icons which have the same style to it beside,this game has time mode and quality mode. Quality Mode--Fixed number of times to get a higher score. Time Mode--Fixed period of time to get a higher score. each mode has its own leaderboard.share it to your friends please.Quality Mode--Fixed number of times to get a higher score. Time Mode--Fixed period of time to get a higher score. each mode has its own leaderboard.share it to your friends please.