This game is intresting. The concept is simple and gameplay loop is super fun. It's a pleasure when you upgrade you character. Basically you collect to o upgrade and upgrade to collect more, it's kinda addicting.
The graphic and visuals are cool, they just need a little bit of polish here and there. The music are also very cool.
What I liked most is the desing. There is a lot of stuff to work with, it looks like a demo of a complete game, a game someone would pay for.