Featherless cycens are use full to get an idea of the shape of their body, especially tail/vent area, but otherwise are very iffy. How is a Cock supposed to climb onto a Hen without injuring her? Those very thick leg Viet ones, I would like to see more about before deciding if they are bad...
Sandboxing w/some challenge to it, I remember the game "Wayward" that ultimately had you sail away on a hand done boat with a buried treasure. This was a Flash or HTML5 game several years ago.
It was a game where you had to capture various types of ghosts for scientific study by photographing them. No jump scares or much creepyness at all. The last level was on a space station trying to catch at least one outer-space ghost. Either Flash or HTML5 browser game from a few years ago.
Being on the Banned Books cart was the only reason I read "The Phantom Tollbooth", a book I am still mad at for actually tricking me into reading a BAD PUN before realizing it.
Yes, water you cannot see into, of uncertain depth, is instinctually scary I think. I dislike it. Open ocean isn't as much as ponds, lakes, rivers et al. Then there are dams and their reservoirs that are freaky in their own way.