Similar to characters and organizations, locations from Fear Mythos stories are not exactly free to use. However some people, in an attempt to give the impression of a shared setting have allowed places from their works to be used by other people. Just like all the other previously mentioned examples, locations are not open source unless stated so by their creators in open source character thread.
- The Ancient Realm
- The Architect Verse (The North Woods Project)
- Devil's Fork and Santa Máquina (Tick Tock Goes the Clock)
- Shady Lawn (To Light a Candle)
- The Multiworld Resort (An Introduction to the Multiverse)
- The Red Garden club and all its workers except for Orchid, so long as you contact Charlie about how you are going to use it first (Mary Mary)