An Amnesia: The Dark Descent mod focused around subtle story-telling, hyper-realism, and short but meaningful holiday-themed experiences...with a twist.
A Visit to Katherine was very relaxing to me. Maybe that's because I like the calmness of rain. It set the sleepy, somber mood. No need for music at all. The attention to detail in the walls of the house was great, as well as outside too; although there's a bug in the second release where the walls are sometimes gone.
Hunter was also very good with the atmosphere, if not, better than Katherine. It takes a minute or two for me to feel like I'm actually in that cave, and then I start to feel like I'm vulnerable. Of course this takes some good imagination too, but still, the effect is there. Again, no need for music. Great detail and asymmetry in the textures. Lastly, the multiple possibilities for the characters was a nice new twist for Amnesia.
Both stories are great experiments, but way too short. I came in with that understanding, though, so I'm pleased with how they turned out.