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謎解き推理×脱出ゲーム ホラーミステリー頭脳戦-鍵のない密室 icon

1.1.5 by AppSeed Inc.


Sep 14, 2025

謎解き推理×脱出ゲーム ホラーミステリー頭脳戦-鍵のない密室 Screenshots

About 謎解き推理×脱出ゲーム ホラーミステリー頭脳戦-鍵のない密室

A free-to-play mystery-solving escape game! Experience a thrilling horror mystery in a locked room and solve the case like a detective. Hints are included for your peace of mind! Free mystery-solving escape game, a horror mystery-solving escape game

◆ Puzzle solving, deduction, and escape! The ultimate locked-room mystery

"The Locked Room Without a Key" is a full-fledged horror mystery that combines puzzle solving, deduction, and escape games.

You play as a detective and must solve the mystery of a locked room.

A thrilling battle of wits awaits, with elements of suspense and horror.

◆ Game Features

The definitive puzzle solving, deduction, and escape game.

Collect clues hidden in the locked room and deduce the truth.

Horror and suspenseful plot twists add to the tension.

A thrilling story that unfolds based on your choices.

Even beginners can play with confidence! Hint function included

◆ Features

A thrilling story set in a locked room

A full-scale battle of wits driven by puzzle-solving and deduction techniques

A detective experience where you aim to uncover the culprit and solve the case

A safe and secure game that's free to play until the end

A worldview linked to the series "Game Master's Locked Room," "Cursed Locked Room," and "Abandoned Hospital Locked Room"

◆ How to Play

Explore the locked room and gather evidence

Solve puzzles and overcome traps

Combine clues to deduce the truth

Solve the case and uncover the mystery behind the locked room

◆ About the Series

If you enjoyed "Keyless Locked Room," we recommend the other titles in the Locked Room series!

"Cursed Locked Room": A mystery-solving escape game with an emphasis on horror.

"Abandoned Hospital Locked Room": A horror mystery escape game that will make you feel both scared and thrilled.

"Game Master's Locked Room": A detective experience packed with thrilling brain-teasing and tricks.

Each game is a popular app that lets you enjoy solving puzzles, deduction, escape games, and mysteries.

◆ Recommended for:

Fans of puzzle-solving and mystery games

Who enjoy escape games and horror mysteries?

Who want to experience the thrill of solving a case while feeling like a detective?

Seeking suspense and a battle of wits

Looking for a free, authentic mystery escape game?

◆ Try it now!

"Keyless Locked Room" is a full-fledged app that combines puzzle-solving, deduction, escape games, and horror mysteries.

It's easy to play even for beginners, yet offers a thrilling battle of wits for advanced players.

Download now and uncover the truth behind the locked room and solve the case as a detective!

What's New in the Latest Version 1.1.5

Last updated on Aug 1, 2025

鍵のない密室のスピンオフ作品「ひとり人狼」をリリースしました。ひとりで遊べる本格人狼ノベルゲームです。
鍵のない密室のキャラが登場する人狼ゲームなので、是非遊んでみてください。
https://app-seed.com/jinrou/

【お知らせ】密室シリーズ第四弾「ゲームマスターの密室」をリリースしたので、是非遊んで見てください!
https://app-seed.com/mistery04/

ミステリー脱出ゲーム「鍵のない密室」を遊んで頂きありがとうございます。
最近の主な対応は以下です。
・密室シリーズ一覧とおすすめアプリの項目を追加
・タイトル画面でサウンドをオンオフできる機能の追加
・広告再生時にゲーム内のBGMが流れてしまう不具合の修正

もしアプリが面白いと感じた方は、是非高評価して頂けると嬉しいです。
鍵のない密室をクリアされた方は、続編の「呪いの密室」、「廃病院の密室」「ゲームマスターの密室」も是非遊んでみてください!

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Additional Game Information

Latest Version

Request 謎解き推理×脱出ゲーム ホラーミステリー頭脳戦-鍵のない密室 Update 1.1.5

Uploaded by

Prince Kashyap

Requires Android

Android 6.0+

Available on

Get 謎解き推理×脱出ゲーム ホラーミステリー頭脳戦-鍵のない密室 on Google Play

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