I've played both released versions (the originally uploaded to the jam and the fixed version), but I realied mostly on the newer one, so, my comments will be regarding that one.
The game has an immensly appealing artstyle and vibe to it, with its use of pixel-art, and the world and enemies' design is also very interesting. The combat itself is also fun.
However, there are some issues to be addressed:
- No checkpoints or health recovery prompts, which makes restarting the whole game kind of bothersome...
- ... especially when the navigation gameplay sometimes gets not so intuitive, like with the obstacle courses or the POGO jumps.
- On the "Defend Crystals" level, the stereo (left-right) perception of enemies' position is sorta missing, as it could help in asserting where they are and helping on clearing the level without so much difficulty
In any case, this game's Game Design is excellent, and shows a lot of potential. Congrats!!