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Philosopher's Stone and Minerva header art

Philosopher's Stone and Minerva

It is a world where the human world and the demon world coexist. The demon king, "Orkus", defeats the former king and takes the current king away. The warrior Minerva goes to the Demon King's castle to bring back the king. Will Minerva and Merus be able to protect the world?

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Release
November 23, 2021
4 years and 253 days ago
Steam Reviews
2 user reviews2 reviews100.0%

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Latest Contributor: IGF TeamEdit notes
Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
A separate publisher is listed without a proven bounded regional or service-only role.
Search Google: Is Philosopher's Stone and Minerva self-published or published by Muso Project?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Philosopher's Stone and Minerva and Muso Project funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Philosopher's Stone and Minerva and HILAHILA?Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.
The title released with a separate publisher relationship.

Media

6 items

About the Game

It is a world where the human world and the demon world coexist.

The peaceful small country of humans called "Orin".
In contrast," Orkinus" is a large country that controls the demon world.

At the time of the coronation of the new king, the demon king "Orkus" suddenly appeared.
The demon king "Orkus" defeated the former king and took the current king away.

Minerva, a warrior, confronts the demon king, Orkus, in an attempt to protect the king,
but she is unable to stand up to him and is defeated.

A crack is about to appear between the two worlds.

"Minerva".
The leader of the kingdom's Kingsguard.
She is good at restorative magic.

"Merus".
The younger brother of the current king, "Mars".
He accompanies Minerva to the Demon King's Castle.
In fact, he has had feelings for Minerva for a long time.

"Orkus"
King of the demon.
He defeated the previous king and took Mars, Merus' brother, to the Demon World.

The game contains battle scenes.

Somewhere in this world, the "Sword of the Brave" is sealed.
Finding the hidden "Sword of the Brave" will increase your attack power.

Will Minerva and Merus be able to protect the world?

About game

・This game is an RPG.
・Battles are turn-based.
・The more enemies you defeat, the higher your level and the stronger you become.
・If you get the "Sword of the Brave" which is hidden in the map, your attack power will increase.
・There are 6 types of enemies.
・The party is made up of Minerva and Merus, and the only way to clear the game is to defeat the Demon King.

Operation Method
←・→ Move
Z key Decide
X key Open the menu screen
C key Back