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.
Explore the worldbuilder path
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 Battle Arena stands as a colossal monument to spectacle and controlled chaos, where the realm's most thrilling and brutal competitions unfold before roaring crowds. Within its towering walls, two opposing teams clash in desperate struggle across a treacherous landscape dotted with deadly obstacles, cunningly concealed traps, and strategic choke points designed to test both martial prowess and tactical cunning. The competition itself mirrors the ancient game of capture the flag, yet transformed into an all-encompassing combat sport where victory is measured through accumulated points earned across three grueling rounds of full-contact warfare. Thousands upon thousands of spectators pack the arena's tiers, their deafening cheers and bloodlust providing an intoxicating atmosphere that transforms fighters into legends and moments into myth. In a world where wonder and excitement have grown scarce, the Arena serves as humanity's greatest distraction—a beacon of raw entertainment that captures the collective imagination and offers escape from the mundane. The clash of steel, the roar of the crowd, and the spectacle of champions rising and falling have made this venue the beating heart of popular culture and the stage where heroes are forged.

Throughout the ages, the boundaries between Earth and the cosmos have remained deliberately thin, allowing passage for beings of immense power—celestial entities and infernal lords who have shaped mortal destiny since time immemorial. The dark gods manifest as ancient vampiric sovereigns, each commanding dominion over specific realms, creatures, and celestial bodies; among them reign the formidable siblings of the abyss: Lord Neferrus, whose domain encompasses warfare and conquest, alongside the enigmatic twins Lady Nevicara and the capricious Clefmond, who delight in testing mortal resolve through trials of punishment and reward. These shadowed deities sustain themselves by drawing upon the very essence and life force of mortals who cross their paths. Opposing this darkness stand the luminous entities—winged beings of grace and purpose known as angels or fae folk—each embodying distinct principles ranging from abstract mysteries to rational order, such as Harpsy Nul who commands the moon's irrational cycles, or Los Clarus who governs the sun's rational principles alongside athletics and mathematics. Throughout different eras and civilizations, these

Magenta stands as a breathtaking metropolis suspended across multiple dimensions, a convergence point where arcane energies intertwine seamlessly with cutting-edge technology in a dazzling display of neon and starlight. This sprawling city draws visitors and refugees from countless worlds across time itself—from nostalgic witches seeking to reclaim forgotten eras to displaced orcas struggling to forge new identities within towering crystalline spires. The streets pulse with an electric vibrancy, where enchanted marketplaces exist alongside holographic bazaars, and ancient magical artifacts are displayed in the same districts as androids and sentient constructs of pure data. Citizens of wildly divergent origins navigate the city's luminous thoroughfares, their presence a testament to Magenta's role as a haven for those displaced by fate or circumstance. Here, dimensional rifts serve as transit stations, and the very fabric of reality seems malleable, bending to accommodate the impossible coexistence of medieval sorcery and futuristic wonder. Magenta represents both a sanctuary and a crucible where the boundaries between worlds blur into insignificance, creating a civilization unlike any other in existence