An expanding universe of worlds and stories
There are alwaysother worlds.
Strange civilizations. Forgotten histories. Dangerous frontiers. Discover worlds shaped by their own peoples, conflicts, mysteries, and legends — and the hidden threads that may connect them all.
Enter the original RPG universe created for this site — its worlds, peoples, cultures, histories, artifacts, mysteries, and stories.
Browse planets, realms, dimensions, alternate Earths, and other settings from books, film, television, games, comics, animation, and tabletop RPGs.
EXPLORE
Choose a path.
Wander through an original universe, cross into familiar fictional settings, or return directly to the world currently taking shape.
OTHER WORLDS ADVENTURES
Original Worlds
Explore the worlds, peoples, histories, mysteries, cultures, artifacts, and stories of the original setting.
Enter the universeTHE KNOWN WORLDS ATLAS
Across Fiction
Browse planets, realms, dimensions, alternate Earths, domains, and other worlds from books, games, film, television, comics, and more.
Open the AtlasCURRENT EXPEDITION
World 01
Continue into the first original world and the growing network of places, peoples, discoveries, and unresolved histories within it.
Continue exploringTHE UNIVERSE
You were never meant
to know everything at once.
Other Worlds Adventures is a growing collection of worlds, histories, cultures, creatures, mysteries, and adventures.
There is no single path through it. Follow a place, a person, a forgotten artifact, a strange civilization, or a half-remembered story.
The Atlas extends that idea beyond the original setting, creating a way to explore how fictional worlds across different media relate, differ, and fit into their own realities.
ORIGINAL WORLD · 01
The first door is open.
The first world is no longer simply a name. Its people, cultures, places, artifacts, and histories are beginning to connect.
ACTIVE WORLD
World 01
Enter the first fully developing world of Other Worlds Adventures.
Explore worldARCHIVE ITEM
V-117
A disputed map records structures its maker should not have known.
Examine artifactCROSS-SETTING INDEX
The Atlas
Step outside the original universe and search worlds from across fiction.
Browse known worldsFRAGMENT 0001
“A map tells you where someone has been. It tells you nothing of what waits beyond its edges.”
Origin unknown · Archive incomplete
OTHER WORLDS ADVENTURES
A universe meant
to be explored.
This is the beginning of a living RPG universe: many worlds, each with its own histories, peoples, places, conflicts, discoveries, and stories.
Alongside it, the Known Worlds Atlas maps the imagined places we already know — from distant planets to impossible realms and alternate versions of Earth.
Some paths lead deeper into the original universe. Others lead outward. There should always be another door.