counterworld
/ˈkaʊntərˌwɜrld/
noun
- An imaginary or alternative world that is opposite or different from the real world.
- Some video games create a counterworld where the rules of physics and society are completely different.
- In the novel, the protagonist discovers a counterworld where everything is the opposite of her own reality.
- The artist's paintings depict a counterworld filled with strange creatures and upside-down landscapes.