- Real World, where the boys originally came from.
- Alternate World, the universe that the boys were sent to when Felix cast the Unmaking Spell.
- Empty World, a universe nearly identical to the Real World, but at one point completely void of people apart from the Nowhere Boys: Luke Hamill, Nicco Pandelis, Jesse Banda and Heath Buckland. It has two moons, and has an alternate version of Ben Ripley.
- Negative Space, the world between worlds, in which the Restoring Demon and the individual known as "Bear" reside.
- "Dream World"
- Multiverse, every possible universe.