An underground cult is a group that is not well known and keeps to itself, so the simile sentence is saying that this other world is not well known and wants to stay that way.
Given the statement "But this other world doesn't want to be known, it wants to remain hidden", is the statement "But this other world doesn't want to be known, it wants to remain like an underground cult." is true?
- Yes
- No
- I don't know