I see that this game hasn't had an update in years, it's kinda a shame, because it feels like just a few minor things and some backstory would make this game worth $30. some examples of this are (in my opinion):
1: make the character slide a little less
2 make the gravity less for eibas without doing this to the enemies
3 maybe make a flying enemy that you fight towards the end of the game
4 a boss would be the coolest thing, but that would take a lot of coding.
5 make a dodge where you press down when not interacting with anything to make you move one space away from the nearest enemy. (I think that would improve combat a lot.)
btw are you still active on this platform?