Keep every creation in context
Give every character a home, every item a history, and every idea a meaningful place in the world.
✦ Worldbuilding for stories, campaigns, and roleplay
Create and connect characters, locations, lore, items, and art inside one evolving universe. Build solo or bring co-authors, campaign groups, and friends along for the journey.
Free to start · Build solo or together

Your world, your way
Build a setting for a novel, campaign, character, or the pure joy of seeing what has been living in your head.
For worldbuilders
Connect every person, place, object, culture, system, and event so your setting can grow without becoming impossible to manage.
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Central World
One connected home for everything you create.

Characters
People with histories, motives, abilities, and relationships.
About Summon Worlds
Summon Worlds is a worldbuilding app for creating and connecting fantasy characters, locations, lore, equipment, artwork, and roleplay inside one evolving universe.
Made in Summon Worlds
Create visual references for characters, creatures, places, and artifacts so your setting feels recognizable to everyone exploring it.





Worldbuilding in your hands
Start anywhere, connect what you create, and keep discovering where your world can lead.
More than disconnected ideas
A connected creative toolkit for the moment inspiration arrives—and for every relationship and story that grows afterward.
Give every character a home, every item a history, and every idea a meaningful place in the world.
Give characters, creatures, places, and artifacts visual references that feel at home in your setting.
Use in-character conversation to reveal motives, memories, relationships, and unexpected plot possibilities.
Your universe, connected
Build a coherent world from the grandest kingdom to the smallest enchanted artifact.
Characters
Armor
Weapons
Spells
Items
Locations

“Summon Worlds creates characters through simplicity. It keeps every idea in its appropriate setting and adds depth to the lore and creativity in my writing.”
Learn, plan, and create
Build your skills, organize your ideas, or create the next piece of your setting.
Worldbuilding articles
Explore focused advice for designing creatures, cities, economies, and other foundations of a believable setting.
Your next world is waiting
Create on your own or invite friends, co-authors, campaign groups, and players into one connected universe.
Community spotlight
See what storytellers, game masters, writers, and artists are creating together in Summon Worlds.

The Shadow of the Black Pearl is a cursed Caribbean realm where reality fractures beneath an eternal veil of mist and forgotten magic. At its heart lies Isla de Muerta, a nightmarish landmass shaped like a colossal death's head, whose cavernous depths contain 882 accursed Aztec medallions—each one a conduit of inexorable doom for any soul foolish enough to claim them. Scattered across the archipelago, colonial settlements such as Port Royal gleam with mercantile promise by day, yet harbor labyrinthine dungeons and cutthroat conspiracies within their stone foundations, while lawless pirate strongholds like Tortuga fester as dens of vice where rum-soaked brigands traffic in forbidden knowledge. The legendary Black Pearl itself haunts these waters as a phantom vessel, its obsidian sails cutting through moonlit seas with predatory grace, crewed by the restless undead whose decaying forms reveal skeletal frames that burn with eldritch luminescence. The world oscillates between the warm amber radiance of Caribbean sunsets and the cold spectral blue of lunar nights, creating a

Imeria is a world of profound moral complexity, where the traditional dichotomy of light versus darkness crumbles under scrutiny—righteousness and malevolence refuse to align neatly with their expected counterparts. Across its sprawling continents, numerous kingdoms vie for dominance, their borders drawn and redrawn by the endless conflicts between humanoid races, each pursuing their own vision of supremacy or survival. Even sentient monsters struggle for recognition and acceptance within civilized society, though they frequently find themselves reduced to exotic possessions of wealthy, idle nobility. The institution of slavery permeates Imerian culture, though its harshness varies dramatically depending on the kingdom's laws and values. Magic flows through the land as the primary force of civilization, powering all advancement and infrastructure, making those born without arcane aptitude second-class citizens—until the revolutionary discovery of aura provided a tangible alternative. This revelation transformed warfare itself, creating two distinct martial traditions: mages channeling raw magical power and aura knights harnessing this newfound physical force. Throughout every kingdom, adventurer's guilds serve as the backbone of monster hunting and dungeon clearing, ranking

In the Skyborne Exoworld of Waking Roots, colossal giants traverse the landscape in eternal slumber, their massive forms reshaping the terrain as they wander—ancient river valleys and canyons bear witness to their unconscious journeys across ages. The society that thrives beneath their footsteps has developed an intricate system of linguistic control, where the very act of creating new metaphors and expressions requires official licensing from governing authorities, stifling creativity and innovation at its core. The Solar Priests, zealous in their doctrine, have declared night itself to be heretical, outlawing darkness and forcing an eternal artificial day upon the world, which has spawned a thriving black market of smugglers who traffic in precious shadows and stolen hours of genuine night. These midnight merchants operate in the margins of society, their contraband darkness sought by those desperate for rest, mystery, and the forbidden knowledge that only shadow can conceal. A child has emerged who speaks in a language previously unknown to any scholar or archivist, words that seem to carry power beyond comprehension, and wherever this child travels, the established borders of nations and territories begin to shift and ripple like water distur