Hey I really enjoyed this! There really should be more underwater horror games, its a niche not very well explored. It took me a while to complete because I was finding it difficult to navigate in the dark during the final "event", and also I'm an idiot.
One thing to note is whatever sounds playing on the main menu are being flagged as copyright audio on Twitch and YouTube, as you can see here: https://www.twitch.tv/videos/1698653626?t=0h37m1s