An abandoned amusement park in a broken world. It was a paradise called "Lagoon" where children were self-sufficient. A boy working as a mercenary in "Lagoon" happened to meet a silver-haired girl. The wheels of their destiny begin to move.
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Release Date:
Sep 28, 2023

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Buy 廃遊園地のメメントメモリア


About This Game

How to Play

.Memento Memoria in an Abandoned Amusement Park is an orthodox text adventure.
Click on the screen to advance the story.

Game Specifications

  • Genre: Post-apocalypse Boy Meets Girl Adventure
  • Play time: approx. 5 hours
  • Event CG: approx. 15 pieces
  • Songs: Yes



The setting is an abandoned amusement park in a broken world.

Its name is 《Lagoon》 - a self-sufficient paradise for children alone.

A boy meets girl story about lost "memories" begins now.


During the World War, children were forced to evacuate their homes.
The land where they gathered and lived became known as "lagoons".
Many "lagoons" are self-sufficient and provide a humane, albeit humble, way of life.

Kai, a young mercenary boy, lives in a "lagoon" that is an abandoned amusement park.
During a joint operation with an adult-centered warlord called "The Army," Kai meets a girl,
Her name is Mio.
She has silver hair.
She is not a talker.
She is good at shooting.
And she is a girl who can't wear bandages.

Kai learns Mio's secret.
He reached out to Mio because he had some thought in his mind.

Mio starts living at Kai's house.
Kai's childhood friend, Doctor, is also with her.

No one knows yet where this encounter will lead.

Mature Content Description

The developers describe the content like this:

This game may contain content that is not appropriate for all ages or for viewing in the workplace, including blood, intense violence, sexual expressions, and suicide.

System Requirements

    • Requires a 64-bit processor and operating system
    • OS:
    • Requires a 64-bit processor and operating system

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