01Create
Immersive worlds right at your fingertips
Load your setting, define boundaries, and seed quests in minutes.
Explore limitless worlds with AI-powered RPG adventures
Play any game you can imagine. Powered by a full RPG engine with stats, quests, NPC memories, and AI narration that brings every story to life.
5 free games
No credit card required
Cancel anytime
“Most games put the player in the role of Luke Skywalker... this is more about putting the player in the role of George Lucas”
Will Wright’s game philosophy
Expansive RPGs, built by you.
Create immersive AI-powered RPGs with rich storylines, expansive quests, fully realized NPCs, dynamic combat, and vivid narration. BelieveIn.ai turns your ideas into playable worlds you can truly lose yourself in.
02Play
Live through every detail of your own story
AI GM narrates, rolls, and tracks stats so you can stay in the scene.
03Share
Share your creations with the rest of the world
Publish to the world hub or invite friends to co-op with you.
What it's made of
An AI GM that keeps pace with you
Memories of every NPC. No more retconning.
Session memory, goals, relationships, and safety boundaries persist across turns.
Tools built for GMs. Powered by AI.
Dice, stats, quests, travel, and narration live together in one engine.
Flexible prompts with safety rails.
Load your vibe, toggle lines and veils, and keep every scene consent-aware.
Modular building blocks.
Swap settings, reuse tools, and remix worlds without starting from scratch.
Character Creation
Dial in stats, align backstories, and lock in abilities before the journey begins.
Quests
Branching goals, session recaps, and milestone rewards baked in.
Live View
Cinematic UI that mirrors the table—dialogue, rolls, and scene cards live-updated.
Skill checks
Auto-calculated DCs, advantage, and inline dice visuals so you never pause the scene.
Step into limitless worlds of your own making
AI plans scenes, you decide where to go next.
Living NPCs
Persistent memories, relationships, and reactions that change as you play.
Privacy
Safety tools stay on and data stays yours.
Genres & Themes
Tune vibes from cozy magic schools to hard sci-fi skirmishes.
Exploration
Travel instantly without losing narrative flow.
Featured campaigns
Pick a starting point or remix your own
Frequently Asked Questions