This one was quite a challenge, but I did manage to save Gobby's soul in the end! At first I was struggling against these shelled menaces but I eventually found ways to evade the turtles and position the net inside the submarine while starting the ascension (not sure if that was intentional or not) so the turtles couldn't get to it while I was moving across the submarine. The pixel size of your artwork is a little inconsistent but otherwise the art is well done, the gameplay is unique, with a flavour of fun frantic action, and I especially enjoyed the music, which fit the game perfectly! Great work y'all!
P.S.: The web version unfortunately completely crashed my Firefox on macOS but it worked perfectly fine in another browser. Not your fault though, I'm familiar with the Godot 4 web issues and I hope support for that will improve soon ^^