Well, that's a cool idea. I call it Atomic Bomb! I will for sure do it in future updates. But I have to think it up carefully. Because I don't want to make the game too easy just yet as I still haven't finished designed the levels completely. I know some people who have already finished the game (35 levels at the moment). This is bad because once you finish, you begin to get bored and if it is easy, you finish. The next update will be 43-45 and the one after that probably the full level set. So I will keep the cool stuff like the one you said, after the game has enough backbone.
How to make the game easy the way it is: Earn 35 slime points (which I'm sure you have already earned) and pick the Power perk. Remember that each time you start the game it will charge you 35. So once you are skilled enough to get past 12-13, you are ready to pick this perk, and go for higher levels. It is so strong that you can earn all the points back, with some extra. I will put the updated version info in the Games section. So if you are interested, we can continue discussing the game there.
Currently, I am scared to put the next version up. Because there are a lot of changes "behind the stage", so you know, crash-prone! I will update after I have tested it with as many devices as I can. I have been playing with intention to break for the past few days.