I think the concept for this game was pretty good. But I quickly found that the 200 bones enemy was extremely strong. So I just ended up farming 200 bones, then spawning one, then repeating that. I managed to always have 4 of the 200 bone enemies attack until the hero died.
Possibly increasing the player damage or reducing the 200 bone enemy HP would've been a good nerf. (my setup was I placed a 200 bone enemy, then in the corner of my screen I clicked the bone box for bones, then repeated).
With a bit more balancing, I think this game could be very very great!