Looks more promising than my first UE game. Kudos for that ;)
As for feedback for other jams i think you would benefit a lot by adding a background sound track and some kind of world end indicators (like big forest, mountains etc)
I know that haha
Just trying to give some quick tips which can yield some pretty good results in little time. Up until now i only did some 3d games for uni, creating sth 2/2,5D for the current jam (my first one) was challenging as well for me and my team, so i know the struggle xd; I/We can program but like you wrote in the game "If only I could program" is a sentence we probably used quite often.
I'll list some quick examples with the current game, which i think could have been done in 1-2 hours max to get a less unfinished feel: