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ココロノカギ Chapter1

近日発売

SIGMAGAMES掲載日 Oct 3, 2026

About the game

記憶を失い、謎めいた屋敷に閉じ込められた少女を描く、探索型脱出ゲーム。屋敷に隠された「感情」を集めて組み合わせ、謎を解きながら、失われた記憶に秘められた真実を明らかにしよう。

Steamの原文説明

An exploration-based escape game where you explore a mysterious mansion with a girl who has lost her memories.

Combine emotions to solve puzzles and uncover the secrets hidden within.

【Story】

A girl named Kokoro awakens in a room inside a mansion she has never seen before.

She has lost her memories and doesn't even know who she is.

On the desk lies a notebook.
Its pages are blank, yet there are unmistakable traces that she once wrote in it herself.

As Kokoro explores the mansion and interacts with the things within it, she begins to remember her lost emotions.

Nostalgia, comfort, fear, joy――

By combining these emotions, Kokoro searches for a way out of the mansion.

What is the true nature of this mysterious place?

【System】

  • Explore a mysterious mansion, investigating interesting places and objects as you uncover the story.

  • Solve puzzles by equipping and combining emotions with the unique “Kokoro System.”

【Features】

  • An original exploration and puzzle system where you combine different “emotions” to solve mysteries.

  • A charming world with a mysterious and slightly eerie atmosphere.

  • Uncover the secrets of the mansion and its protagonist little by little through exploration.

  • A heartfelt story filled with warmth and bittersweet emotions.

【Credits】

  • Game Design & Programming: Sigma

  • Art: Nagomi

  • Scenario: En

体験版と発売について

現在の確認データでは体験版の存在を確認できていません。過去にも体験版がなかったという意味ではありません。最新の提供状況はSteamのゲームページで確認してください。

Steamの体験版、プレイテスト、早期アクセスの違いは?

情報・画像:Steam · 最終確認 UTC