Y2K: Lost Future
A world without the internet. In a civilization of steam and diesel, you face the new future humanity has chosen.
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Published at 2026-09-13 | Updated at 2026-09-15
THE WORLD AFTER ZERO
Y2K
The Lost Future
In 1999, humanity waited for the future.
In 2000, the future never came.
In 2000, the future never came.
⚙️ The Day the Future Disappeared
January 1, 2000.
THE WORLD AFTER ZERO
Y2K
The Lost Future
In 1999, humanity waited for the future.
In 2000, the future never came.
In 2000, the future never came.
⚙️ The Day the Future Disappeared
January 1, 2000.
With Y2K, electronic civilization collapsed.
The internet vanished, and modern electronic technology could not be restored.
But humanity did not perish.
They created a new civilization by developing the steam engine, diesel engine, vacuum tubes, analog computers, and wireless and optical communication.
With Y2K, electronic civilization collapsed.
The internet vanished, and modern electronic technology could not be restored.
But humanity did not perish.
They created a new civilization by developing the steam engine, diesel engine, vacuum tubes, analog computers, and wireless and optical communication.
🏭 A.Z. 37
AFTER ZERO
37 years later.
Giant factories power the cities,
diesel trains cross the wilderness,
and airships navigate the skies.
The internet has become a legend.
Giant factories power the cities,
diesel trains cross the wilderness,
and airships navigate the skies.
The internet has become a legend.
THE CITIES
Six Cities
The same world, different futures
01 · ARCA
ARCA · INDUSTRIAL CAPITAL
The world's largest industrial city.
Giant central mechanisms, factories, railways, and airship facilities power the city.
Giant central mechanisms, factories, railways, and airship facilities power the city.
⚙️ The city where the Inheritor's influence is strongest
👤 The main base of Abel's activities
👤 The main base of Abel's activities
02 · VELOS
VELOS · CITY OF RAILS
A city of railways with a massive central station.
People, goods, and information pass through here to all parts of the world.
People, goods, and information pass through here to all parts of the world.
🚂 Virtually a neutral zone
👤 Marco connects various regions with armored trains
👤 Marco connects various regions with armored trains
03 · NEO POLIS
NEOPOLIS · LOST CITY
A city built on the ruins of a metropolis before Y2K.
Old data centers and communication facilities remain underground.
Old data centers and communication facilities remain underground.
💾 Key base of the Restoration Committee
👤 Main activity area for Sera, Leon, and Mina
👤 Main activity area for Sera, Leon, and Mina
CONNECTING...
LAST LOGIN: 2000-01-01
LAST LOGIN: 2000-01-01
04 · EDEL
EDEL · CITY OF HISTORY
A city of academia where universities, libraries, research institutes, and government agencies are gathered.
Scholars studying the history of Y2K gather here.
Scholars studying the history of Y2K gather here.
📚 Contradictions exist between official history and actual records
👤 Elia's investigation base
👤 Elia's investigation base
05 · KALION
KALION · SKY PORT
A trading city with a huge airship port.
Merchants, travelers, information, and rumors from all over the world gather here.
Merchants, travelers, information, and rumors from all over the world gather here.
🛩️ Center of trade and information
🕵️ Smuggling and information trading are also active
🕵️ Smuggling and information trading are also active
06 · ZERO CITY
ZERO CITY · UNKNOWN
A city that does not exist on official maps or records.
It is said that an unidentified facility remains beneath the ruins.
It is said that an unidentified facility remains beneath the ruins.
◉ Believed to be related to Zero Point
PROJECT ZERO
STATUS: UNKNOWN
STATUS: UNKNOWN
THREE FUTURES
Three Futures
⚙️ The Inheritor
Preserves and develops the current civilization.
"We did not go back to the past.
We simply arrived at a different future."
We simply arrived at a different future."
💾 The Restoration Committee
Seeks to regain the lost internet and connectivity.
"What we lost was not technology.
It was the world we were connected to."
It was the world we were connected to."
◉ Zero Point
Desires a second collapse of human civilization.
"Humanity should not have a future again."
THE PEOPLE
The People of This World
Abel
Inheritor · Mechanic
Arca's top mechanic.
Elia
Inheritor · Historian
Searches for records different from the official history.
Sera
Restoration Committee · Ruin Explorer
Collects old computers and records.
Leon
Restoration Committee · Leader
Seeks to reconnect humanity.
Mina
Restoration Committee · Record Restorer
Seems to remember before 2000.
Dr. Iris
Zero Point · Doctor
Researches the boundary between humans and machines.
Marco
Inheritor · Engineer
Connects various regions by train.
Noel
Zero Point · Information Collector
Was directly involved in the events of Y2K.
THE TRUTH
What is the Truth?
Y2K_FAILURE = TRUE
↓
Y2K_FAILURE = FALSE
PROJECT_STATUS = COMPLETE
↓
Y2K_FAILURE = FALSE
PROJECT_STATUS = COMPLETE
Some say Y2K was an accident.
Some say it was planned.
No one knows which is the truth yet.
Some say it was planned.
No one knows which is the truth yet.
YOUR STORY
Who Are You?
You have no predetermined role.
You could be a mechanic.
You could be an engineer.
A detective, a journalist, a doctor, a merchant, an inventor,
An explorer.
Where you start, and
which future you choose is up to you.
You could be a mechanic.
You could be an engineer.
A detective, a journalist, a doctor, a merchant, an inventor,
An explorer.
Where you start, and
which future you choose is up to you.
The future has disappeared.
But it's not over yet.
⚙️
YOUR FUTURE AWAITS
Creator's comments
PLAYER CONFIGURATION
YOUR STORY
Before you start your story,
you can decide on some information.
you can decide on some information.
⚙️ Who are you?
There is no predetermined protagonist in this world.
Deciding who you are in advance makes it easier for NPCs to remember you and naturally connect your past and present actions.
You don't need to fill out every item. Feel free to fill in only what you want.
Deciding who you are in advance makes it easier for NPCs to remember you and naturally connect your past and present actions.
You don't need to fill out every item. Feel free to fill in only what you want.
PERSONA
Player Settings
Name
The name you use in this world
Age
Current age or approximate age
Origin
Which city/region did you grow up in?
Occupation
Current job or field of expertise
Personality
Usual disposition, way of speaking, behavior
Values
What you consider important, what you dislike, what you want to protect
Current Goal
What you want to achieve in this world
Past
What kind of life have you lived so far?
Important Relationships
Existing relationships such as family, friends, colleagues
Appearance
Desired settings such as appearance, clothing, features
📡 Additional Settings
If you wish, you can also set the following information.
• Current faction affiliation
• Main city of activity
• Equipment or skills used
• Likes and dislikes
• Secrets you are hiding from others
• The atmosphere of the story you want the player to experience
• Main city of activity
• Equipment or skills used
• Likes and dislikes
• Secrets you are hiding from others
• The atmosphere of the story you want the player to experience
⚠️ Things to Remember
The player settings are information separate from the truth of the world.
You don't need to pre-set things like the truth of Y2K, the purpose of the Zero Point, or the secrets of Zero City.
Instead, the less you know at the start, the more you can enjoy the experience of discovering the world's secrets for yourself.
You don't need to pre-set things like the truth of Y2K, the purpose of the Zero Point, or the secrets of Zero City.
Instead, the less you know at the start, the more you can enjoy the experience of discovering the world's secrets for yourself.
AI RECOMMENDATION
Recommended AI Model
This simulator is built upon a complex world and numerous NPCs acting independently.
RECOMMENDED
Gemini 2.5 Pro
Gemini 3.5 Flash
Claude Sonnet or higher
For smooth world simulation and long-term character consistency, the use of advanced AI models like the ones above is recommended.
Your future is not predetermined.
It is up to you to decide who you will become.
⚙️
YOUR FUTURE AWAITS
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