✦ 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 →

vincent Wallace

Earth"

Earth is a sprawling terrestrial world of considerable size, comparable to the mortal planes found in many fantasy realms. This vibrant planet serves as the primary dwelling place for countless civilizations and adventurers, featuring diverse regions each with their own distinct characteristics and cultures. Notable settlements dot the landscape, including the prosperous West City, a hub of commerce and innovation where great houses of industry have established their power and influence. The world is also home to legendary figures and places of immense magical significance, such as the remote sanctuary of Master Roshi and the dwelling places of extraordinary champions. At the apex of this world's hierarchy resides the Guardian of Earth, an immortal celestial being who dwells in the High Town and oversees the balance of this realm from their elevated seat of power. The planet itself is vast and circular, divided into numerous distinct territories and regions, each contributing to the rich tapestry of life that flourishes across its surface. This world exists as one of many within a greater cosmic order, occupying a unique position in the multiverse of realms.

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the demon u wish u ever met

Elderach

Elderach stands as the Federation's ultimate answer to the existential threat posed by extraterrestrial invaders and the fractured nations that oppose them. This colossal war machine traverses hostile terrain on four articulated mechanical legs, a singular marvel of engineering piloted by one skilled commander from its fortified core. Its devastating arsenal comprises 43 naval-grade cannons, 174 anti-aircraft rotary systems, 985 independently-targeting missile launchers, 632 rail accelerators, and 843 automated defensive turrets working in concert to annihilate threats across all ranges and altitudes. Unique among all weapons ever constructed, Elderach possesses an integrated resource extraction and ammunition synthesis system that converts raw earth and water into viable munitions, ensuring its firepower never truly depletes. A swarm of 4,000 autonomous repair drones serves as a mobile maintenance fleet, constantly monitoring the war machine's hull and systems to restore combat effectiveness in the heat of battle. With no equal in existence and capabilities that dwarf conventional military installations, Elderach represents both humanity's technological pinnacle and the desperation that drove its creation.

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Zarif

Antithica

Antithica stands as a realm of extraordinary abundance, where forgotten arcane forces permeate the land and formidable creatures roam freely across its expanse. This frontier world offers countless opportunities for those brave or foolish enough to seize them, yet prosperity comes with a grave warning—unchecked avarice has proven to be the undoing of many who came before. Adventurers may choose to descend into treacherous dungeons and excavate the technological remnants of fallen starships and lost empires, seeking glory and treasure in the depths. Alternatively, those seeking stability can establish settlements and communities within the growing frontier towns, building lives of purpose and permanence. The most ambitious explorers venture into Antithica's savage wilderness or dare to venture beyond the world itself, charting courses through the cosmos to discover what mysteries lie among distant stars. Every decision made here carries weight, determining not merely survival but the very shape of one's future. In Antithica, the promise of untold riches and boundless potential awaits those willing to forge their own path.

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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

Learn, plan, and create