Beautiful Dreamer is one of the best Twine games to come out so far this year. In this fantasy game, you try to sleep at night during a windstorm.
You slowly realize that the game's world is not the same as your own. The world has a strong internal consistency, and you begin to learn more of its rules and nature.
The game is quite large. I was quite thrilled to discover (Spoiler - click to show)a classic CYOA gamebook near the beginning of the game. I thought the game was quite big already, but when I finished it and read the credits, I discovered that I had missed thousands of words' worth of text, which I went back and read.
The tone is a lot like Howl's Moving Castle (both the book and the movie), with archetypal characters, much talk of dreams, surreal magic, etc.
I also felt there were many similarities with Eidolon: (Spoiler - click to show)exploring a dark and shadowy bedroom, dream-type worlds, and a moth motif.
I strongly recommend this game.