Cool Concept! Not having a collider on the net was a good decision in my opinion, even tho visually some would disagree.
As a piece of feedback, I would say the coin placement could be better designed so that some coins don't spell out death. But the rest is very cool.
If you can find the time, would you please check out our game as well?
Our twist of the theme is that a critic tries to play your unfinished game, and you fight from inside the computer to make him like it. Hope you'll like it!