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Alpha — In Development

Eternal Shrine: Yôkai ReckoningMade with Unreal Engine

Steel remembers what the shrine forgot.

▶ Play the Browser Alpha

Listed as "Demon Castle" on the browser platform — same game.

Overview

Action-Adventure

An action-adventure steeped in yôkai folklore. A kitsune guardian and a wandering blade-dancer cross a haunted shrine to settle a reckoning centuries in the making — sword-flow combat paced by ritual, memory, and consequence rather than combo counters alone. Inspired by Pocky & Rocky, Devil Hunter Yohko, and the Mermaid Saga.

GenreAction-Adventure
SettingYôkai Folklore
FocusSword Combat · Exploration
StatusAlpha
Gameplay

See it in motion

Concept Roster

More of the cast taking shape

A look at the characters and creatures forming Eternal Shrine's world. These are concept designs — full names, bios, and roles are still being finalized.

Concept character — pale spirit in a snowflake-patterned kimono
Yuki SpiritConcept design
Concept creature — horned dragon wyrm
Dragon WyrmBoss / creature concept
Concept character — swordsman in a red crane-patterned kimono
Crane SwordsmanConcept design
Concept character — horned archer wielding a flaming bow
Ember ArcherConcept design
Concept character — red-haired swordswoman with a glowing blade
Blossom BladeConcept design
Concept character — cracked-skin yokai, crimson form Concept character — cracked-skin yokai, onyx form
Cracked YokaiConcept design — two forms
Concept character — shrine priestess in white and red Concept character — shrine priestess in formal pink and gold kimono
Shrine PriestessConcept design — two looks
Concept character — swordswoman in a white cloak
White Cloak SwordswomanConcept design
Concept character — armored demon knight with a large sword
Demon KnightConcept design
Concept character — kitsune guardian, alternate look
Kitsune GuardianAlternate look
Concept character — silver-haired man in a black suit with a cross pendant
Silver Suit GentlemanConcept design
Concept character — shrine maiden holding a ceremonial wand
Shrine MaidenConcept design
Concept character — armored samurai woman with a katana
Armored SamuraiConcept design
Concept & Key Art

Gallery

Eternal Shrine: Yôkai Reckoning key art — kitsune guardian
Kitsune guardian
Eternal Shrine: Yôkai Reckoning key art — blade-dancer
Blade-dancer
Development Log

Where things stand

Eternal Shrine: Yôkai Reckoning is currently in Alpha — combat flow, the shrine setting, and the central cast are in active development.

Devlog updates and gameplay screenshots will be posted here as development continues. Follow along on Discord for the latest.

Curious to see these characters outside the game? Check out Family × Project, a fan animation crossover featuring the Eternal Shrine cast.