Collaborative Worldbuilding

Supercharged by AI.

Summon Worlds is the Fantasy AI World Generator built for GMs and writers. Create characters, spells, weapons, items and lore together, live, with AI helping every step of the way.

Radiant purple-winged fairy standing in a moonlit pond, her wings shimmering with stardust—bringing fae realms to life through collaborative worldbuilding on Summon Worlds.

Close-up of a shimmering ice dragon with crystal-like scales and a piercing blue eye, set against a frosty fantasy backdrop – mythical creature for fantasy worldbuilding and AI storytelling.

Cute futuristic astronaut in a sleek white spacesuit standing on a pastel alien planet, surrounded by soft glowing spheres – sci-fi character for AI space adventures and roleplay.

Powerful sorcerer summoning energy within an icy cavern, holding a glowing blue orb that channels the essence of AI-enhanced storytelling—ideal for epic adventures on Summon Worlds.

150,0000

Global Downloads

300

sec

To Generate Your First Summon

950

Of DMs Recommend Us

30,0000

Characters Ready to Meet You

About Summon Worlds

Build AI Worlds Together

Game masters craft living realms with their players. Writers build universes with co-authors. Friends spin any setting, side-by-side. Summon Worlds is where fantasy AI meets real collaboration.

Start Building Together

Worldbuilding in Four Simple Steps

What You’ll Unlock in Your First 5 Minutes

1. Instant Worlds

Swipe through the community’s latest characters, worlds, and art. When inspiration strikes, jump straight into creation by pressing Start Summoning to remix the inspiration your way.

2. AI Art on Demand

Need a hero portrait or dragon lair? Tap Start Summoning, pick what to create, choose your style—anime, dark-fantasy, or go crazy with a custom style—and high-res images drop straight into your collection, ready to share or slot into game prep.

3. Collaborative AI Generation

Invite friends in one click. Real-time editing keeps Game Masters, writers, and players in sync—no desktop required. Download the app for to meet a full mobile worldbuilding experience.

4. In-App AI Chat Roleplay

Check out the Character Chat Feed and talk with any character - be that your wizard, villain, or talking sword. The AI answers in-character, helps refine backstories, and sparks plot twists whenever inspiration hits. Use voice, memory & more to personalize your experience!

Heavenly white-haired angel with luminous wings and glowing blue energy, gazing toward the light – radiant AI-generated celestial mage or guardian for fantasy roleplay and divine storytelling.

Bioluminescent amphibious creature with iridescent blue skin and finned ears emerging from dark waters – mysterious AI-generated aquatic character for fantasy or sci-fi roleplay.

Dreamy fairytale castle nestled among blooming pink cherry blossom trees – enchanting fantasy setting for magical storytelling, worldbuilding, or whimsical RPG adventures.

Benefits of AI Worldbuilding

The Art of Fantasy: Unleashing AI's Creative Potential

Build worlds together, see changes live

Smart Worldbuilding

Generate custom Fantasy Ai Art Anytime, Anywhere

Fast AI Creation

AI Character Chat & Roleplay to discover new story possibilities.

Unlimited Creativity

Start Building Your World

ExploreAI Worlds

Build incredible Fantasy AI Worlds with your friends using the most advanced AI worldbuilding platform available. Perfect whether you’re a fantasy world builder, game master, author, screenwriter, or any creative building fictional universes.