Really enjoyable game, I like the jumping and the upgrade system it's really good also the art and visuals are great the designs are simple and so are the colors but they fit the style really nicely.
The physics sometimes seemed really weird like the hexagones seem to be made out of ice and you would just slide down without anything you can really do, also at some point i started spawning on top of a hole in the first level where enemies appear. aside from that I really enjoyed the game really fun. great work.