The building blocks are here for an interesting tale - and I suspect one with literary inspiration. I think you've got the fundamentals coded in: there's the days of the ship's doomed voyage, character interaction with dialog and even some basic tests with interactive objects with the hull and bed. I think this could shape up to be something really cool - I'm curious what you'll do to depict the increasingly wretched journey on the vessel as it becomes patently clear that someone - or something quite not alive - is lurking in, I believe, the cargo hold...