Shared universes (sometimes called story worlds) allow people to contribute stories using the setting and central characters.
If you can think of a shared universe there should be an article about, list it here and someone may begin an article. Don't let that stop you writing one.
Pages in category "Shared universes"
The following 24 pages are in this category, out of 24 total. To add a page, edit it to include [[Category:Shared universes]].