A pretty interesting game mechanic, with interesting puzzles. It would be nice to have a dedicated button for a reset (Instead of going to the menu and clicking restart).
Some feedback on the levels: 
The small platform on the second level should probably be visible from the top. Having to do a leap of faith is not the best game design. Third level could be made a little more forgiving as I had to restart quite a bit because if I missed any of my shots or a tree I'll get softlocked. (Or maybe I'm just bad lol)

But all things considered, quite a nice game!

Some friendly feedback:

I think that using just_pressed for jump would help the controls feel a little less awkward for me.

The directly top-down lighting makes a nice player shadow, but the shadows everywhere else / on the front faces of the jam blocks look a bit wonky.

I think I cheated the last level a bit by getting stuck on a wall between two colliders and climbing over.

There's a lot of good stuff going on here that I appreciated -- keyboard menu navigation, progress saving, the goblin dance.

I used bevy_tnua in my own game, so thanks for that!