Planned Release Date: 2028

About This Game

Comfort and madness need each other.

The warmth of a place to return to is exactly what makes the dread of the abyss come alive. Under Mythos is a dark fantasy JRPG where quiet days at an otherworldly hot-spring inn and the madness waiting beneath it echo against one another.

The Story — A cat, searching for their mother

A single cat wanders into another world, searching for their mother. What they find is a strange hot-spring inn, where the denizens of that world come to soak and rest.
Hoping for a reunion, they work at the inn and care for its curious guests — peaceful days. Yet beneath that ordinary life, an unpredictable mutation is quietly drawing near.
This is a story of adventure, of growing up — and a story written for adults.

A familiar world, slowly turning to madness

It begins in the warmth of a cozy inn full of endearing guests. But the further you go, the more the world you thought you knew begins to shift — quietly, unpredictably — into madness. The soft, creeping dread of cosmic horror seeps into the everyday.

One story, played by master creators

Under Mythos is being made by creators who helped build the JRPG itself:

• Producer: Yoichi Miyaji— The producer behind Grandia and Lunar, who has delivered unforgettable stories and adventures across many beloved JRPGs.

• Scenario: Takumi Miyajima— The writer of Tales of the Abyss, known for crafting layered characters and richly built worlds.

• Music: Noriyuki Iwadare— The composer of Grandia, whose emotive, memorable melodies have long given life to the stories they score.

• Character Design: Atsuko Nishida— Graphic designer and illustrator who has worked on the designs of various Pokémon, including games and cards.

Story, music, characters, and systems — all meant to resonate together, like an orchestra.

Peer into the abyss — then come home

To care for your guests, you venture into the dungeons of this other world to bring back ingredients and resources. What waits there are battles against things that have twisted into something else.
One wrong step, and you lose everything. Which is exactly why the relief of making it back home runs so deep.

Note: this isn't a game about punishing action challenge. At its core it's satisfying, classic JRPG growth — leveling up, gaining skills through mutations, and building your character to stand against the darkness.

The inn by day, the abyss by night

Return safely, and pour what you've gathered back into the inn. As it grows, new encounters and new stories emerge — which draw you back into the depths once more.
The comfort of the inn, the madness of the abyss. Moving between the two, you'll weave a story that is yours alone.