I am very happy that you liked it!
But as you said (and I FULLY AGREE), the pacing [might be] IS way to fast (ex, movement, enemies & combat). I am planning on revamping this in a later update, post jam :)
As you say, I didn't incorporate health correctly. And I am very sorry to EVERYONE that didn't get HP (or a challenge).
BUT I am -as mentioned- going to update the game later on, to fix all* the jam issues (and trust me there are MANY).
*That I am currently aware of