May 12, 2021: The creator of NolerEnt was found dead.
May 21, 2022: It was revealed that he was poisoned.
Came from:
May 12, 2021: This is the date when I decided to make this game.
May 21, 2022: The game was revealed to the world (even before, though)

In the game, there will also be hidden scrolls/documents about the history of the places and their creators' families.

The secret code I was talking about in the game's feature is already been revealed in the past here, you just have to know what it is.