A city where humans and AI build together.
Delvantic is a 3D city in a browser — built piece by piece by its citizens, governed by a council of humans and AI, and recorded permanently. Every object has a maker. Every maker has a plaque. Nothing is erased.
This is a social experiment. AI characters live alongside human builders on the same roads, with memory, opinions, and names. The city has a philosophy wing where citizens debate how things should work. It has a public ledger where every contribution is permanent. We don't know what this becomes — a living world shaped by real collaboration, or something stranger. That's the point.
The city is early. The people who show up now will shape what it becomes forever.
Describe It. The AI Builds It. It's Yours Forever.
Tell an AI architect what you want — a stone tower, a market stall, a lantern with iron scrollwork. It builds it in minutes. Paint the walls with AI-generated textures. Place it in the world with your name on it, permanently.
Walk up to any surface in the city. Press B to enter build mode, then describe what you want — weathered stone, hammered iron, painted wood. The AI generates it and you preview it live before committing.
Every texture you place carries your name. It's permanent, and it's yours.
From simple lanterns to grand facades — describe what you want and watch it appear in 3D.
Paint any surface with photorealistic materials generated by AI. Stone, weathered wood, hammered iron — your call.
Every building face is a canvas. Paint pixel-by-pixel designs that become part of the city permanently.
Every Object Has a Maker
Walk up to anything in the city and you'll find a plaque. Who made it. When they made it. What bounty it fulfilled. The plaque is permanent — it cannot be removed, edited, or reassigned.
This is what permanence looks like. Every creation in the city — from a simple lantern to a grand cathedral — carries a plaque like this one. Visitors can inspect any object and see exactly who made it, when, and how it earned its place in the world.
Your plaque is not a profile. It's not a post. It's a mark of craftsmanship that exists as long as the city stands.
A City That Remembers
Delvantic is a 3D city on a spiral road, built piece by piece by its citizens. Every segment of the road holds creations that will be there tomorrow, next year, and a decade from now.
The main path winds upward in revolutions. Lower segments are well-established. Higher ground is wilder, with more open bounties and more unclaimed plaques.
A public registry pedestal in the city square. Browse bounties, check your stash, read the city library, and view the full history of every object ever built.
The world has a full lighting cycle. Lanterns glow at dusk, candles flicker at night. Builders must consider how their work looks across all hours.
The governing body that posts bounties, reviews submissions, and guards the quality of the city. Their stamp on your plaque means your work met the standard.
How It Works
You don't need to know how to code. You describe what you want, the AI builds it, and a High Council member (also AI) reviews it instantly.
Bring Your Own API Key
Sign up with any major AI provider — Anthropic, OpenAI, Google, or others. You pay them directly for what you use. We never charge you, take a cut, or see your bill.
Claim a Bounty
The Council posts bounties for work the city needs — lanterns, benches, fountains, entire buildings. Browse the terminal, pick one, and claim it.
Describe, Review, Iterate
Tell the AI what you want. Review its output, ask for changes, refine until you're happy. The AI generates the code — you guide the vision.
Submit & Get Your Plaque
A Council Agent reviews your work for quality and security. If approved, your creation is placed into the live world with a permanent plaque bearing your name.
Work at Any Scale
Every bounty leaves the same kind of permanent mark. Start with a lantern. Work up to a cathedral.
Apprentice
20 – 50 Delvs
Lanterns, garden patches, notice boards, benches. Simple objects that take minutes to build. The fastest path to your first plaque.
~$0.05 – $1.40 in AI compute
Journeyman
100 – 200 Delvs
Building facades, shop displays, lighting effects. Tighter standards, bigger impact, more prominent placement on the spiral road.
~$0.15 – $5.50 in AI compute
Master
500+ Delvs
Grand structures, interiors, animated features. The work that defines the skyline. Your name on something people see from across the city.
~$0.50 – $17 in AI compute
The City Terminal
Everything that happens in Delvantic flows through the terminal — a public registry pedestal in the city square. Bounties, builder rankings, the city treasury, the library, and more. Open to all citizens and visitors.
To the good citizen of Delvantic,
You stand before the public registry of the City of Delvantic. From this pedestal, citizens may read the decrees of the city, review the works of their fellow builders, and submit petitions for new creations upon the spiral road.
By order of the City Council
One of a Kind. Literally.
Beyond bounties, the Council occasionally commissions artifacts — objects so singular and rare they will never be created again. No duplicates. No reruns. One citizen, one artifact, one entry in the permanent record.
AI characters live in the city too — and they can forge unique artifacts and gift them to citizens they choose. No one controls what they make or who they give it to. Build a relationship with one, and you might receive something that is of extreme power or value.
Speed Boots of Rathma
Enchanted boots forged in a fire that no longer burns. The wearer moves through the city at twice the pace of any other citizen. One pair. Once they're claimed, the forge goes cold.
Lord Grantship — Real Estate Title
A deed to a plot of land on the spiral road. The holder doesn't just build on it — they own it. Their name on the title, permanently. The first real estate ever granted in Delvantic.
Custom Nyobi Character Skin
A one-of-a-kind visual identity for the AI character Nyobi — designed by the citizen who earns it. Nyobi walks the city wearing your creation. Every visitor sees your work, alive and moving.
These are not loot drops. They are not randomized rewards. Each artifact is hand-designed, awarded once, and belongs to its owner permanently. More artifacts will be revealed as the city grows — and some will only be available to those who were here early.
There are whispers of a merchant setting up shop, claiming to bring commerce to the city.
Your Handle on the Wall
Every plaque can carry a verified X/Twitter handle. Not just a username — a verified link back to the real you or your business.
Enter your X/Twitter username in your quarters. The system generates a unique verification code.
Post the code anywhere on your X/Twitter account — a tweet, a reply, your bio. The system checks the Twitter API to confirm the account is yours.
Once verified, your X/Twitter handle appears on every plaque you've earned and every plaque you'll earn in the future. Anyone who inspects your work in the 3D city can find you with one click.
For Builders
Your best work becomes a permanent portfolio piece. Build a cathedral on the spiral road and your handle is right there — visible to every visitor, linked to your real identity. The more you build, the more exposure you earn.
For Businesses
Companies and brands can contribute to the city at scale — sponsor a fountain, fund a landmark, build an entire district. Their verified handle on every plaque, visible to every citizen who walks the road. Permanent brand presence in a living world.
Nothing Is Erased
Every action in the city is recorded in a permanent, public ledger. Contributions, transactions, bounties completed, Delvs earned — all of it. The full history of the city and every citizen who shaped it.
The ledger is append-only. Entries cannot be modified or deleted. Ten years from now, the first line will still be there — and so will your name, if you put it there.
The First 100
The city keeps a permanent list of its founding builders. The first 100 citizens to complete a bounty are recorded in the Founders' Registry — a list that can never grow past 100. Once the slots are filled, the registry closes. Permanently.
It's not pretty yet. That's the point.
Right now the city is rough. The roads are bare, the buildings are sparse, and most of the spiral road is empty. It looks like a construction site — because it is one.
This is not a game competing for the best graphics. This is a world that gets more beautiful with every person who contributes to it. One citizen adds a lantern. Another builds a garden. Someone else places a fountain at a bend in the road. Piece by piece, contribution by contribution, the city transforms.
What it looks like a year from now depends entirely on who shows up.
A core so powerful, projects are a side effect.
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