Yep, there's a hungrymermaidcruise.ini file in the game folder for me! If I rename it to force the game to generate a new one it resets my save, so it seems to be reading from there too. I am using the previous release where I had to delete README.txt, if that matters, but I haven't had any problems saving and loading, so I'm completely fine with just copying the save into whatever folder it needs to be in for any future releases.