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「Dorasyeoda」 takes place in the Joseon dynasty.
Did I just say Joseon? Well, now it should be called the New Joseon!

New Joseon, ruled by the one and only God, has Narin as their national religion.
What had happened to Joseon?


On a peaceful day on October 3rd in Joseon, the descendant of God made his appearance to the world.
‘As the Almighty takes care of our nation, all subjects must look up to God and be beneficial to the country.'
He leads a legion of iron-clad machines and takes over Joseon, thus opening a new dynasty by the name of New Joseon.


The original social class, which consisted of the Noble, the Middle, the Common, and the Low is now gone. Now, the people of New Joseon are divided into four new classes: the Ruby, the Lapis, the Amber, and the Shadow.

Let me introduce them to you, as you would be unfamiliar with New Joseon.

The Ruby are the royals, the ones who rule the country.
The Lapis are the aristocrats, the former nobles.
The Amber are the mechanical iron-clad men, a new species in New Joseon, created from the rituals of the Red.
The Shadow are the ones who are ruled, the subjects, very much like slaves in slightly better conditions.

Were there any backlashes, you say? Well, the dead does not say much.


The people in New Joseon must conform to their fate in the strict caste system.

Thoughts about resisting? People in New Joseon would rather pray to God if they have time for that.
Because on the Day of the Oracle, October 3rd, there may be a chance for an Shadow to be chosen by God and become a Lapis.
We do not know much about what God has in mind, but wouldn’t the odds go higher if one was a sincere devotee?



Our protagonist, Saegyeol was an ordinary Shadow until she was chosen to become a Lapis.

On the Day of the Oracle, when she was chosen by God,
Her father died in vain, not knowing the reason why.

Clinging on to the unanswered question, half a month passes,
And Saegyeol is assigned to investigate why a steam train factory stopped its operation.
Through her investigation, she finds a trace of someone trying to cover up the truth.

This trace resembles the suspicion of her father’s death.

Will Saegyeol uncover the truth of the steam train factory and also find answers to her questions?
Or maybe… a new question may form instead.



The Early Access version of 「Dorasyeoda」 deals with Chapter 0: Steam Train and Cogwheels.
Investigate a suspicious case in the steam train factory and uncover the truth for yourself!



「Dorasyeoda」 is a 3D Mystery & Detective Adventure game.
You will be the protagonist, Saegyeol in this game.

How to play 「Dorasyeoda」 is as follows:


The Field Investigation refers to the process of players collecting relevant clues.
The game consists of a 3D view to give the impression of an active and direct investigation by yourself.

The Active Investigation lets you move the character with the arrow keys and space bar to look around the crime scene and obtain Clues by pressing the Interaction key.


The Detailed Investigation is constructed in a 3D isometric view and lets you rotate, move, and zoom in/out of the screen. You can examine the place and interact with objects by clicking on them to obtain more Clues.



The Interrogation lets you collects testimonies about the case from the suspects.

Through each Conversation, you can collect the suspect’s alibi. You are able to gather information through a variety of conversation Topics,
And get new testimonies from hidden Topics, which are unlocked by breaking down the contradictions that the suspect makes.

Additionally, you can hear what a suspect thinks about a Clue or a person by Presenting them to him/her.
We have reflected on the various personalities of each NPC and the context of the special worldview in all the Conversations and Clues very carefully so that you can understand them more thoroughly.

Delve into the case to have psychological warfare with the suspects, and doubt each and every piece of information constantly until the case is closed!



The Deduction Note serves as an inventory to see the Clues and information that you collected to aid you through the case.

In Character Information, you can see the information of the people that you have encountered.

In Clues, you can see all the Clues and the information that you have collected.
Click on the magnify button to examine detailed information about the Clue that you didn’t know when you obtained it.

In Map, you can have a wide view of the place you are at.
You can check the names of places available for Detailed Investigation and also where each NPC is.

In Dictionary, you can check the meanings of certain terms that are dedicated to 「Dorasyeoda」 for its special world setting.



The Accusation is a scene where you answer the questions from God.

Each case will be closed when you solve the five questions that are presented by God through the Accusation. The questions are constructed of some of the main points in dispute regarding the case.
Read the question and pick either a Clue or a Character Information that you think is the answer to submit it. If you submit all the answers to all the questions, you can click on the Deduction Complete button to close the case.

The case is closed when you think you are sure of all the answers, regardless of how much progress you made of the game.
The ending varies on various conditions such as whether you got the main question right, how many correct answers you have made, and so on.