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.

Deadeatry, The Dream World, is a realm of boundless enchantment where reality bends to the imagination of those who enter it. Travelers gain access to this mystical domain by crossing through ethereal dream portals or by surrendering to sleep's gentle embrace at nightfall, finding themselves transported to landscapes that defy the laws of the waking world. The realm teems with arcane beings and spellcasters whose very nature seems woven from starlight and mystery, inhabiting terrain that spans from resplendent forests with ancient magic thrumming through their roots to towering mountain peaks that pierce the clouds themselves. Scattered throughout are thriving settlements ranging from quaint villages nestled in hidden valleys to sprawling cities that glow with otherworldly luminescence. What makes Deadeatry truly extraordinary is its mercurial nature—the world itself responds to each visitor, constantly shifting its geography, inhabitants, and atmosphere based on the dreams and subconscious desires of those who traverse it. No two journeys through this realm are ever identical, as the landscape molds itself anew with each dreamer who arrives, ensuring that mystery and wonder perpetually shroud every corner of this

Eclipsia, known as the Divine Wound, exists as a catastrophic convergence of shattered mythologies—a fractured reality where Olympus, Midgard, Asgard, and innumerable forgotten pantheons have violently merged into a single, impossible landscape. The fundamental laws of creation have been torn asunder, manifesting in surreal horrors: lava rivers frozen mid-flow, the roots of world-trees entangling marble temples, and colossal ruins suspended in a sky held together only by crumbling bridges of divine essence. This scarred realm bears the permanent marks of an unending celestial war, its terrain a graveyard of shattered divine weapons, toppled monuments, and the remains of gods and titans alike. The very air thrums with the echoes of eternal conflict—distant war horns, cascading stone, and the phantom sounds of battles that refuse to conclude, while strange stars pierce through tears in the heavens themselves. Survivors cling to existence among the ruins, hunted by unleashed ancient beasts and haunted by memories of a world that once knew peace and order. Yet amidst this devastation, fragments of hope still endure.

Mt. Marsh stands as a haunting convergence of natural wonder and industrial corruption, where towering peaks pierce the crimson-hued waters of an vast bog. Gnarled cypress-like trees emerge from the blood-red marshlands, their twisted forms creating an otherworldly forest that stretches toward distant mountains glimmering with veins of diamond ore. A humble settlement of ramshackle dwellings rises precariously from the swamp on stilts, home to hardy folk who navigate the treacherous terrain on long wooden legs of their own. One of the colossal mountains bears the unmistakable mark of dwarven engineering—a massive gateway carved into stone that leads to the stronghold below, now repurposed as a strange amalgamation of ancient craftsmanship and arcane machinery. Sulfurous fumes in shades of violet billow continuously from the bog's depths, carrying with them swarms of chittering insectoid creatures that seem adapted to thrive in this toxic atmosphere. The air hangs thick with an acrid mixture of mineral deposits and alchemical corruption, creating an environment both beautiful and deeply uns