Thanks for the input! There are a lot of those things we have addressed :) Those will be part of the new build when it's ready to release. The models were a bit random due to we could only use free assets and we're coders vs artists :P We have some cool updates to the art and the game progression bits you mentioned. There is a power up at the end of the level, though it's not very clear as you have to collect it. Part of the revamp is to add void power that you collect that allows you to upgrade as you progress. It's a simple upgrade that allows you to hold more rocks at a time. I'm currently working on revamping and extending that system.