Nice Entry!
I did a few tries to get to the end but couldn't make it. Since you start all over after dying, it is a long way to get back to it so it is a bit of tough luck. I didn't figure out if there were some kind of way to block attacks or if it was just based on shields. Having some mechanics for that might make the combat more interesting.
As it is now I mostly just had to break every crate I found to heal up from damage taken in the combat. Which was not that fun and a bit tedious. The breaking of boxes might also benefit from being faster to destroy with say holding the attack button. Tick based games like this with discrete actions benefit from snappier actions to get to next tick.
Anyway super nice entry!