Water Flow is a very puzzle and interesting game. You need to open different test tubes according to the prompts and let the balls in the test tubes fall into the vessel below. Adjust pins by pulling or dragging them, some of the previous levels are relatively simple, but most of the latter are very difficult, are you ready? If you are a lover of puzzle games, don't miss this game. If you like it, don't forget to share it with your friends! At the same time, you should also pay attention that different colored balls correspond to different bottles, so don't get confused!