Category:Constructed worlds


 * A priori constructed worlds refer to constructed worlds which are based in originally based universes. These include, , and -based worlds. Any constructed worlds deliberately set outside of Earth and/or outside "our universe" may fall under this category.
 * A posteriori constructed worlds refer to constructed worlds which are based in our or the . These include alternate history timelines (including ASB timelines),, and  scenarios. It also includes constructed worlds based on existing franchises or intellectual property, such as fandom-based universes or al universes. Any constructed worlds deliberately set on Earth or in "our universe" may fall under this category.

Note: Some constructed worlds may fall in both categories or subcategories from both sides. Examples include ASB alternate history which are based on Earth but may have fantastical elements or horror-based constructed worlds, which may be set in the real world or their own world.