That is a really good game! By far the one I've played the longest in the jam. Really fun, good graphics, nice music and sound effects, the gameloop works really well. I just think that instead of an endless game there could be an objective, the game permits you to progress really fast if you buy the right upgrades first, which is nice, but without an objective, since the game becomes easier, it's hard to keep wanting to play without restarting it. I absolutelly love the coverart and the gameplay is so satisfying, almost a 5 stars all throughout. I did get some performance issues during the gameplay though.