Interesting game. I don't really see how it fits the "multi-use" limitation or the "turn up the heat" theme, but whatever.
The game is really difficult. Like really difficult. Your best bet is to just restart the map until you get lucky, and you don't need to put the little balls through a middle path.
But I enjoyed my time anyway! I also liked the little sounds the balls make when they hit a wall. That was pretty cool