Myst-like, fairly linear Lovecraftian theme. The story is pretty harmless and doesn't really work from a psychological horror point of view, although it is clear that this was not the intention of the creators. As a love story it's fine. The puzzles could have been a bit more intuitive but are generally solvable in a reasonable way. It is a bit long, it would have been good for it more movement speed, less underwater areas or smaller maps.