We're happy you thought the game was cool, we tried our bests and made something to definitely be proud of! The game definitely has its share of bugs and like any gamejam game could have definitely used some more time rather than being rushed out the door!
Your question about the flying enemies I'm not sure I have an answer to though. We never really named our enemies or got a chance to figure out what they really were in super great depth since our team didn't have a game designer and we were rushing to get things together. Our original idea was to have the enemies be creatures from another world invading to steal energy from the pylons who would return home with it, but I'm not sure they had much more depth than that unfortunately! Hopefully that answered your question? If not I'm happy to answer it with greater details!