✦ Worldbuilding for stories, campaigns, and roleplay

Build Living Fantasy Worlds—Everything Connected

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.

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Free to start · Build solo or together

The Thornreach world page in the Summon Worlds app

Your world, your way

One worldbuilding home, four ways to create

Build a setting for a novel, campaign, character, or the pure joy of seeing what has been living in your head.

For worldbuilders

Turn scattered ideas into a universe

Connect every person, place, object, culture, system, and event so your setting can grow without becoming impossible to manage.

Explore the worldbuilder path

Turn scattered ideas into a universe product preview

Central World

Your World

One connected home for everything you create.

Characters

People with histories, motives, abilities, and relationships.

About Summon Worlds

A home for every part of your world

Summon Worlds is a worldbuilding app for creating and connecting fantasy characters, locations, lore, equipment, artwork, and roleplay inside one evolving universe.

Keep characters, locations, equipment, and lore connected.
Build privately on your own or see collaborators shape the same shared universe.
Turn a creative spark into art, story, and roleplay.

Start building your world

Made in Summon Worlds

Give every part of your world a visual identity

Create visual references for characters, creatures, places, and artifacts so your setting feels recognizable to everyone exploring it.

A luminous purple-winged fairy in a moonlit fantasy world

A crystalline ice dragon created for a fantasy story

A magical cat character wearing ornate fantasy clothing

A wizard summoning a glowing orb inside an icy cavern

A dreamy robot character created with Summon Worlds

500K+
Global downloads: 10K+
Unique worlds: 100K+
Character chats: 30K+
Characters ready to meet

Worldbuilding in your hands

Go from a creative spark to a living world

Start anywhere, connect what you create, and keep discovering where your world can lead.

Create a world screen in the Summon Worlds mobile app

More than disconnected ideas

Build worlds that feel alive

A connected creative toolkit for the moment inspiration arrives—and for every relationship and story that grows afterward.

Keep every creation in context

Give every character a home, every item a history, and every idea a meaningful place in the world.

Make your world recognizable

Give characters, creatures, places, and artifacts visual references that feel at home in your setting.

Meet the people inside your world

Use in-character conversation to reveal motives, memories, relationships, and unexpected plot possibilities.

Your universe, connected

Summon every part of your story

Build a coherent world from the grandest kingdom to the smallest enchanted artifact.

Characters

Armor

Weapons

Spells

Items

Locations

Community spotlight

Explore worlds brought to life by the community

See what storytellers, game masters, writers, and artists are creating together in Summon Worlds.

Discover all community worlds →

LegendaryDragon1220

Dragon Steve Brain

Within a crystalline vial swirls the preserved neural tissue of the ancient dragon known as Steve, a creature of legendary intellect whose mind was said to contain centuries of arcane knowledge and draconic wisdom. When consumed or studied, fragments of Steve's consciousness briefly surface in the user's thoughts, granting fleeting insights into complex magical theory, draconic languages, and forgotten lore. The brain pulses with a faint amber luminescence, and those who hold it report hearing whispers of dragon-speech echoing in their minds. Some scholars believe that Steve's essence remains partially aware within the preserved organ, observing those who dare to commune with it. The item is said to enhance one's mental faculties temporarily, allowing for sudden breakthroughs in understanding or problem-solving, though repeated use risks attracting unwanted attention from entities that seek Steve's knowledge. Those who overindulge in its power report disorienting visions of soaring through mountain peaks and hoarding treasures from ages past. The true extent of this relic's power remains a mystery, as few have survived long enough to document their experiences fully.

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SecretSage881

The Pinch

At the convergence point where two nearly identical realities collided with catastrophic force, a profound cosmological wound was torn into the fabric of existence itself. In the northern hemisphere of this fractured world, observers gaze upward to witness the celestial heavens in all their glory, while those dwelling in the southern reaches look down upon the unmistakable visage of the infernal abyss. Yet at the singular point of collision—a place the inhabitants simply call The Pinch—something far more wondrous and terrifying occurs: the boundary between worlds grows transparent, revealing the parallel reality that occupies the same space. The other realm is remarkably similar to this one in nearly every conceivable way, with mountains that echo these mountains and oceans that mirror these oceans, save for one striking distinction that marks it as fundamentally alien. Where this world's sky stretches in familiar shades of blue, the alternate reality above The Pinch burns with a breathtaking orange hue that seems to pulse with otherworldly warmth. Standing at this collision point, one can perceive both realities simultaneously—a dizzying and awe-inspiring

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JackCarrot

The Hidden Realms

Dor Amril, known as The Hidden Realms, exists behind an impenetrable veil of arcane magic that conceals it from the outside world. Access to this mysterious realm is granted only through ancient portals or the performance of esoteric rituals, making it a sanctuary for those who know its secrets. The world itself forms a ring of land surrounding a vast central ocean, presenting a landscape of dramatic contrasts—towering mountain peaks pierce storm-laden skies while deep lakes mirror the heavens below. Though magic is uncommon and regarded with awe by its inhabitants, the most potent forces in Dor Amril stem from legendary relics of immense power, remnants of a world shaped by wish magic itself. A patchwork of competing nations struggles for dominance across this realm, while its diverse peoples—including humans, demi-humans, and beings from other planes of existence—contend with relentless swarms of chaos wyverns and extraplanar invaders who threaten their survival. The denizens of Dor Amril possess technology that blends the medieval with the innovative, employing both

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Fantasy author portrait representing a Summon Worlds creator story

“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.”

Dane Watson — “ValithreX”· Fantasy author

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