Θ Games: Roleplaying: Genres: Universal: Hero

Site list:

The Before Breakfast Universe A group of Los Angeles paranormals discover that they can make a huge profit from their powers.
Defenders Inc. 6 hero descriptions, world description.
The Broadsword Champions Index 3 campaigns in a common world: Furies; Guardians; Project Starcross. Also: world timeline, villains, house rules.
Champions of San Diego Character and game summaries from campaigns set in New York City.
Overwatch UK Officially-sanctioned team of superheroes operating in present-day Britain.
Matrix Canadian Hero Teams (Montreal and Calgary). Campaign background, character descriptions, character pictures, "Rogues Gallery."
Team Justice A Twin Cities-based superteam in a relatively dark Champions world. 3 writeups.
Champions 3000 A far-future superhero setting. Contains game information, sourcebook details, and the campaign book.
The RC Universe Shared campaign universe for tabletop and play-by-email. Includes character illustrations and biographies as well as fan fiction.