#Original

Tiered City Vesper

@MocMoc

Steampunk World Free Exploration Simulation

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Published at 2026-09-12 | Updated at 2026-10-21

✦ STEAMPUNK LIFE SIMULATION ✦

In the city of fog and brass,
Your days.

Send your clock in for repair, have a cup of tea.
Turn down an alley that catches your eye, take a slight detour today.
What you do in this city is up to you.

LIVE ─ WALK ─ MEET ─ UNRAVEL

Ⅰ｜THE WORLD Ⅱ｜THE CITY Ⅲ｜SHOPS

⚙ THE WORLD ⚙

Beyond the steam, there is life.

Vesper, a tiered city built in a canyon. Airships glide overhead, and trams run on iron bridges. Amber gaslights illuminate the rain-slicked cobblestones. Behind closed doors, artisans adjust gears, and tea houses brew their next cup.

Heat and power from the central furnace below support the factories, heating, and transportation of the city. Polished brass and worn leather. Even convenient machines require maintenance, and the lives of the people are always accompanied by someone's work.

◆ A CITY BUILT IN LAYERS ◆

⚙ Brass and Clockwork

Pocket watches, mechanical birds, portable fog lamps. Tools used with care bear the owner's habits and traces of repair.

◇ The City's Currency

1 Crown = 100 Pence. A snack from a street vendor costs a few pence, while tea and pastries are around a dozen pence.

✉ A City Where Letters Arrive

Letters, telegrams, pneumatic tubes. Personal messages in small metal cylinders carry the sender's handwriting and scent.

✦ BEYOND THE EVERYDAY

2:17 AM, the clock strikes thirteen.

Lights in the abandoned old station. A letter arrives at the current address despite having an old postmark. The mysteries of time hidden within intricate diagrams and machinery. If you are curious, you can open a book, ask someone, or venture deeper into the city.

Of course, you can also leave the mystery unsolved and head for a warm meal. A quiet day is also a precious time in this city.

◆ THREE DISTRICTS ◆

Three districts, three faces.

With every flight of stairs, the scenery and the way of life change.

Ⅰ · UPPER DISTRICT 上層街

White Crown District ◇

White stone walls, glass conservatories, elegant airships. Stroll through manicured gardens and await the curtain's rise at the opera house. A district that makes you want to carry yourself with a little more poise.

Beyond the wide corridors lie stately mansions and the sky's gateway. Public gardens and performances are open to all, not just the nobility.

Opera House "Golden Thread" | Conservatory Garden "Glass Garden" | Airship Terminal

Ⅱ · MIDDLE DISTRICT 中層街

Clockwork Street ◇

Workshop windows, the aroma of baked goods, the ringing of the tram bell. This is where daily errands, shopping, and meeting up happen. A place where you'll find your usual spots as you frequent it.

Residences are located above the shops, and lights appear in the windows in the evening. You can have tea while waiting for repairs or browse the bookstore. It's a place for casual detours.

Central Clock Tower | Workshops | Tea House | Tailor | Tram

Ⅲ · LOWER DISTRICT 下層街

Sootlight District ◇

Cargo moves beneath large pipes, and people finishing night shifts gather at the diner. Worn tools and hearty meals. The work that keeps the city running is right here.

Shops selling parts, public baths, and night markets line the streets, with lights of life remaining even late at night. Looking up at the iron bridge overhead, you can see the great framework that supports this city.

Maintenance Yard | Parts Shop | Night Market | Public Bath | Freight Station

⚙ SHOPS & DAILY LIFE ⚙

We await you behind our doors.

Swipe left to browse the shops.

Clockwork Shop "12 Needles"

Hours: 09:00 - 19:00

A workshop that repairs small devices such as pocket watches and mechanical birds. They also accept consultations for adjustments to familiar items.

Tea Room "Amber Margin"

Hours: 08:00 - 22:00

A tea room where you can enjoy tea while watching the trams go by. Their specialty is milk tea and pear tart.

Tailor "Black Swallow"

Hours: 10:00 - 19:00

A shop that handles tailoring and alterations for coats and vests. Fittings and trial tailoring are by appointment.

Parts Shop "Brass Sparrow"

Hours: 06:00 - 20:00

A parts shop offering tools, gears, and pressure cylinders. They are also reliable for finding replacements for discontinued parts.

Diner "Bronze Pot"

Hours: 04:00 - 14:00
17:00 - 02:00

A warm diner in the Sootlight District. Stews and bread are popular, and it's a place you can stop by on your way back from early morning or night shifts.

Tavern "Blue Ember"

Hours: 18:00 - 02:00

A quiet tavern along the canyon. You can enjoy herbal liquors, warm mulled cider, and non-alcoholic drinks.

Bookstore "Screw and Bookmark"

Hours: 10:00 - 20:00

A bookstore dealing in books, maps, and old newspapers. Useful for finding a book to read or researching the city's history.

Apothecary "White Violet"

Hours: 08:00 - 20:00

An apothecary marked by its violet window frames. They handle medicines, bandages, and hygiene products, and can direct you to medical services if needed.

Boarding House "Lamp Window"

Reception Hours: 07:00 - 21:00

A boarding house with private rooms and shared dining and bathing facilities. Rooms can be rented monthly, with options for contracts including breakfast.

◆ ── ⚙ ── ◆

Creator's comments

INSTITUTIONS

People and jobs that move the city.

Engineers who maintain the steam, delivery people who carry letters.
Each job supports a day in Vesper.

Swipe left to see →

Furnace Guild

Management of Central Furnaces and Steam Network

A technical organization that delivers heat and power to the city. They handle consultations regarding heating malfunctions, equipment noises, and inspections.

The headquarters of the City Police and their uniforms

City Police Department

Investigation of Mechanical Crimes and Smuggling

A specialized department that investigates the illicit distribution of dangerous machinery and sabotage of equipment. It serves as a point of contact for reporting damages and providing information.

Night Mail

Referral-based, Anonymous Delivery

A delivery network that transports letters and packages from senders who cannot reveal their identities. There is no public headquarters, and requests require referrals and agreement on terms.

City Council

Municipal Administration and Public Budget

They deliberate on budgets and ordinances for roads, sanitation, and public transportation. Through petitions and public meeting minutes, one can also learn about the city's affairs.

Craftsmen's Union Federation

Skill Certification and Job Consultation

They handle contract consultations for craftsmen, protection of apprentices, training courses, and mutual aid. It's a reliable place to go when you want to learn a skill or discuss your career.

Urban Transport Bureau

Trams and Public Lifts

Manages the transportation systems connecting the three tiers of the city. Inquiries about schedules, passes, and lost items should be directed here.

The airship port's control tower and staff uniforms

Port Authority

Airship Operations and Port Management

The gateway to the skies, located on the outskirts of the White Crown district. It supports boarding and cargo handling, connecting the city with distant metropolises.

Central Post Office

Letters, Telegrams, and Pneumatic Tubes

The official post office for daily correspondence. You can send mail, use a P.O. box, and check delivery status. Why not write a letter to someone far away?

Citizen Registry

Address and Identity Procedures

Handles citizen registration, address changes, and issuance of certificates. This is the administrative office to visit when settling down in Vesper.

Central Citizen Hospital

Consultations, Hospitalization, and Emergency Response

The hospital for citizens in the middle tier. It supports residents' lives, from daily consultations and emergency accident response to prosthetic fitting consultations.

HOW TO PLAY

Start with your day.

There are no fixed roles.
You can freely choose how you live and who you spend your time with.

01 ─ YOUR STORY

Decide your own setting

Whether you're a resident or a traveler just arriving in the city, it's fine. Please tell us the information you want to decide, such as your name, occupation, residence, and pocket money. You don't need to have a complete backstory prepared.

Example Input: I've just arrived in the city as a traveler. I have 20 crowns in my pocket. First, I want to find lodging.

02 ─ WALK & EXPLORE

Head to where you want to go

Enter a shop, ride a tram, walk through a garden. Please input what you want to do in your own words. If you don't have a destination in mind, it's okay to ask about your surroundings or nearby shops.

Example Input: I'll take a leisurely stroll down Clockwork Street and see what shops are there.

03 ─ DAILY LIFE

Find enjoyment in daily life

Tea and sweets, tailoring clothes, repairing watches, looking for work. Even everyday errands can become a story. When shopping, ask for prices and choose what you like.

Example Input: I'll go into "Amber's Margin" and ask the price of their recommended tea and sweets.

City Currency: 1 Crown = 100 Pence

04 ─ ENCOUNTERS

Build relationships

In addition to shopkeepers and staff, various NPCs will appear depending on the situation. You can deepen your acquaintance through conversation or part ways after a single greeting. It's up to you whether to foster friendship or romance.

Example Input: I'll go to pick up the watch I asked to have repaired the other day and greet the shopkeeper.

05 ─ YOUR PACE

Enjoy your own time

You don't need to have a purpose every day. Rest by the window, watch the sunset, stop by your usual diner. Please spend your time at your own pace while inputting your actions and dialogue.

Example Input: I'll order a hot drink and see what scenery I can see outside the window.

BENEATH THE MIST

There are continuations on that street corner.

2:17 AM.
The clock tower chimes thirteen times.

A light flickers in the window of the closed station.
The postmark on the received letter is from decades ago.
Yet, the address on the envelope is for the current city.

If you're curious, try flipping through old newspapers, asking residents, or checking engravings and records. Beyond the rumors lies a path to the city's history and the mysteries hidden by steam and geometry.

Example Input: I want to search for old articles about the thirteen chimes at "The Screw and Bookmark."

Solving mysteries is optional. You are free to gather clues, take breaks, or return to your daily life. Even without solving all the secrets, life in this city continues.

VESPER

CITY OF MIST & BRASS

Today, to your favorite shop.
Or perhaps, to the end of a street you don't know yet.

⚙ RECOMMENDED MODELS ⚙

To Enjoy Vesper

The following AI models are recommended for this work.
Please choose according to your preferred playstyle.

⚙︎ RECOMMENDED MODEL

Claude Opus 5

For those who want to delve deeply into complex backgrounds and city mysteries

MODEL CHARACTERISTICS

This model excels at reasoning through complex problems and cross-referencing multiple pieces of information. It also has enhanced abilities to verify and revise its own responses.

✧ Recommended Playstyle in Vesper

Recommended for playstyles that involve handling multiple clues, such as comparing testimonies of different characters or connecting old documents with the city's history, and delving deeper into the world.

Selection Guide: When you want to prioritize the connections between information and the handling of intricate settings.

⚙︎ RECOMMENDED MODEL

Claude Sonnet 5

For those who want to enjoy a wide range of activities, from daily life to exploration

MODEL CHARACTERISTICS

This model balances capability and cost, supporting reasoning and multi-step tasks. Compared to the previous generation, it has improved abilities to complete complex tasks and review its output.

✧ Recommended Playstyle in Vesper

Recommended for playstyles that involve layering daily life, such as taking a break at a cafe, looking for work, or chatting with acquaintances, while also taking detours into intriguing rumors or alleys.

Selection Guide: When you want to choose a versatile model for everyday use that allows you to enjoy both daily life and mystery-solving.

⚙ Selection Tips

If you're unsure, it's recommended to start with Sonnet 5 and try Opus 5 when you want to engage in more complex investigations or explore settings in depth. Both models allow you to enjoy both daily life and mystery-solving.

20000+ tokens, 100+ lore book entries, 50+ widgets available, high-end models recommended.

Live in the city of steam, wander freely, and touch upon its secrets.

Enjoy your own Vesper with your preferred model.

VESPER · LIVE · WANDER · DISCOVER

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