It requires the player to observe, judge, move, and finally reach a line, or multiple lines. Eliminate one line and score, if you eliminate multiple lines, you will get a high score. If the player's gemstone reaches the top, the game ends. How to play: 1: moving the jewel 2: The jewel has no support points and will fall. 3: When filling a line, it will be eliminated and scored. 4: Continuous elimination will get extra score 5: The color block will eliminate the connection with it. A little bit of puzzle game: 1: not addicted 2: There is no in-app purchase, players do not have to spend. 3: You can also play in the lower ages. 4: Exercise the brain and make people smart.