Scuba Dave, Stuck in a Cave [GB Studio 2024 Fall Game Jam]

This is my submission for the GB Studio 2024 Fall Game Jam - the theme was "Uncharted Waters". You're Scuba Dave, and he's (somehow?!) stuck in a cave. The cave is flooded, and lucky for you - Dave is an expert at swimming!  Navigate the tricky cave system while holding your breath... reach the air bubbles to gain more time underwater, collect what treasure you can find, and avoid the nasty enem…