More about Where do I end and the Butterflies begin?
Before this life of yours ends, tell me something: Is my memory still left on titan? Am I living in the real world? Or is this just a dream that these butterflies are showing me? Are they a part of the dream? - Cowboy Bebop
Dream Level: is increased each time when you "Go Deeper" into the dream. Each new level is harder to achieve and
takes more iterations than the one before.
Rare Deep Dream: is any dream which went deeper than level 6.
Deep Dream
You cannot go deeper into someone else's dream. You must create your own.
Deep Dream
Currently going deeper is available only for Deep Dreams.