✦ 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 →

Matthew1001

Spirit Realm

The Spirit Realm is a plane of existence that exists parallel to the material world, accessible only through powerful magic or divine intervention. This ethereal dimension is inhabited by incorporeal entities, celestial beings, and the restless souls of those who have passed beyond the veil of mortality. The landscape shifts between crystalline spires of pure magical energy and vast expanses of luminescent mist, where time flows in unpredictable patterns. Adventurers who venture into this realm often find themselves tested by spectral guardians and ancient spirits who jealously guard forgotten knowledge and enchanted artifacts. The boundaries between thought and reality blur within the Spirit Realm, allowing those attuned to its nature to perceive visions of possible futures and hidden truths. Powerful warlocks, clerics, and wizards seek communion with this plane to gain otherworldly power, though the price for such knowledge is often steep. Few mortals return from extended stays in the Spirit Realm unchanged, bearing marks both visible and invisible from their encounters with forces beyond mortal comprehension.

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vincent Wallace

Earth"

Earth is a vast spherical world dominated by azure waters interspersed with sprawling continents that stretch across its surface from pole to pole and meridian to meridian. The planet's geography encompasses diverse climates and biomes—from frozen tundras capping the polar regions to scorching deserts, lush tropical forests teeming with life, and temperate zones in between. Towering mountain ranges pierce the landscape, their slopes carved by cascading waterfalls and fed by rivers that wind through valleys and across plains, connecting inland settlements to coastal metropolises. The world experiences distinct seasonal cycles as it orbits its parent sun, with a natural satellite—the Moon—tracing its own path through the heavens above. A protective atmospheric dome envelops the entire sphere, shielding its inhabitants from the void beyond and regulating the planet's climate patterns. Often called "the Big Blue Marble" by those who have glimpsed it from afar, Earth's waters comprise the majority of its surface, making it appear predominantly blue when viewed from the cosmos.

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EternalPanda4649

Squad Battle Royale

Squad Battle Royale is a harrowing contest of survival where four-member teams compete against 24 other squads across ever-shifting battlegrounds that transform between each match. The environment itself becomes a deadly adversary—whether you find yourself navigating urban ruins, traversing windswept deserts, or weathering treacherous storms—requiring constant adaptation and tactical awareness. Teams scavenge for currency across the landscape to purchase equipment, resurrect fallen comrades at hidden buyback stations scattered throughout the realm, or claim spoils from defeated enemies. Various mounts and conveyances are available to aid swift movement across the terrain, essential as an arcane barrier gradually constricts around the battlefield in unpredictable patterns, dealing grievous damage to those caught beyond its protective boundaries. Victory belongs to the final squad standing, who claim a substantial reward of 50 mana for each warrior who entered the competition. Success demands not only combat prowess but also strategic resource management, swift decision-making, and the ability to thrive amid constant environmental peril and uncertainty.

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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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