A Narrative RPG Powered by Living AI

Eruin

Where Every Voice Matters

Speak aloud to NPCs driven by local AI. They remember, they decide, and they reshape the quests and the world around you.

Every villager is a mind of their own.

No dialogue trees. No canned lines. In Eruin, you talk, and the world talks back, then quietly rewrites itself around what was said.

The Living World

NPCs that think, remember,
and drive the game itself

Every character runs on local AI, each with their own personality, their own knowledge, their own memory of you. Speak with your real voice and they answer unscripted.

And they don't just chat. What you say moves the story: quests open and change, dispositions shift, and the world state updates from the conversation you just had.

Local
Runs on your machine
Zero
Scripted dialogue trees
Endless
Ways a scene can go
M
Morrin
Witch of the Forest
Listening
You carry the Veil's mark, stranger. I wondered when it would find someone... willing to listen.
Your voice
"What is the Veil, and why did it choose me?"
Sit. I'll tell you what the elders won't. But first, walk the lantern path east. I've lit the way. Prove you can be trusted with the truth.
The world reacts
◇ Memory saved ◇ Quest opened: The Veil's Purpose ◇ Disposition: Wary → Curious ◇ World: Lantern path revealed

A representative exchange. No two players will hear the same words.

Core Pillars

What makes Eruin different

I

Voice-Driven Conversations

Speak naturally to any NPC with your microphone. Real-time speech recognition and text-to-speech make every dialogue feel alive.

II

Memory That Shapes State

NPCs remember what you told them and act on it: opening quests, changing dispositions, and updating world state from your words.

III

A Handcrafted Fantasy

A lovingly built world of quests, lore, and mysteries, not procedural filler. AI enriches the story; it never replaces the storytelling.

One conversation. A chain of consequence.

Step One
You speak aloud
Step Two
The NPC reasons & remembers
Step Three
Quests & world state change
Watch

Official Trailer

Play Trailer
From the World

Glimpses of Eruin

A mysterious path through an enchanted purple forest lit by ancient lanterns
The Enchanted Forest, a path lit by lanterns of forgotten make
A traveler approaches the fortified city gates under a violet sky
The City Gates, where the walls of Eruin rise against twilight
A figure stands beneath a great tree under a violet moonlit sky
The Awakening, your journey begins beneath strange skies
You are not from this world. The Veil brought you here for a reason, though even the oldest among us cannot say why. Tread carefully, stranger. In Eruin, words carry more weight than swords.

Morrin, Witch of the Forest

Coming to Steam

Join the Journey

Eruin arrives at Steam Next Fest, October 2026. Wishlist now to be summoned the moment the demo goes live.