...I've never really explained those, have I. [ That's. Actually shocking, come to think of it. She's explained them countless times to people not even from their world, but...somehow it just never came up? With Sollux? ]

They're places that exist in the Furthest Ring. The Horrorterrors made them - anyone who lost their life in the game continues dreaming there. All of them. Doomed offshoot timelines and all. And you can pass through them physically, if you're still alive.

It's the place I was in before I was here! I'm sort of playing tour guide over there. I mean, I was. I'm obviously not doing that right now!