Its poorly optimize, you can tell that it is unfished. But I don't want to say all bad,  I like the idea and the art. 

When I tried to play it it crashed, but what I reached to see was nice looking

Its a good idea. I hope you finish it soon! Graphics are so good. You can play my game if you want here: https://itch.io/jam/-pixel-game-jam-2024/rate/2718966

This has good bones. I am not familiar with Godot but the movement and camera feel smooth. The environment is great! The bubbles added a nice touch and the rock walls look natural.