Interesting take on a classic game. I keep wanting to collect coins by making sue the shapes touched them as they fall down only to end up placing the shape on the coin. :P Maybe that's an angle that could be approached.

I can see how the theme was implemented with coins being a way to lose the game but I wasn't sure when and how I bought a bomb. I know that you press "E" or Middle Mouse Button to purchase them but I must have done it by mistake because they appear and it felt like it was more like a reward rather than done by me. :)

This fits well to be a mobile title. Nice work.