Drag the glass of water around to other cups. The water with be split among those that are touching. The goal is to fill the purple one to its desired water amount. You can only drag cups of a specific hue. Click on the level map in the bottom left to change to the next level.
I had this game I made, sitting in my projects folder for years, never completed. It's kinda rough and the code is a mess at its current state. I have no plans to finish it but I thought I'd share it anyway just as is.