Pretty fun! A nice showcase for the movement tech for a game jam, could see this being part of a bigger project with some polish!
The music theme is also very nice in being somber & feeling like being at the bottom of the ocean, but there is a bug where, when starting the game or changing areas, the repeat moment of the song gets set at that moment (and can make for some annoying looping sounds).
Other than the one bug though, very fun game, looking forward to more metroidvania experiments :)