謎解き×推理×脱出ゲーム ホラー密室ミステリー-鍵のない密室

AppSeed Inc.

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About this game

"The Locked Room Without a Key" is a full-fledged mystery adventure that blends puzzle-solving, deduction, escape games, and horror. It's a free-to-play locked-room escape game. Experience a new escape game, horror escape, locked-room mystery, lateral thinking, murder mystery deduction, and suspense. It's linked to the Abandoned Hospital/Cursed Locked Room series.


This free game challenges you to escape a locked room, gather clues, deduce the truth, and solve a murder case. Experience a thrilling story where suspense, horror, and psychological warfare intertwine.


◆ Game Features
- A free-to-play mystery-solving escape game
- A horror suspense and terrifying experience in a locked room
- A deduction game where you search for clues and logically approach the truth
- Utilize lateral thinking and psychological tactics to corner the culprit
- An adventure game where you become a detective and experience a murder case and investigation
- A branching mystery where the story changes depending on your choices
- Includes a hint function for beginners
- Offline playable and free game, so you can play without worrying about data usage
- A story that continues in the series: "The Cursed Locked Room," "The Locked Room in the Abandoned Hospital," and "The Game Master's Locked Room"

◆ Story Summary

One day, you are locked in a "locked room without a key."

All that remains is a mysterious message and an eerie presence.

As you gather clues amidst the terror and deduce the truth hidden behind the incident and the culprit,

Eventually, the chilling secret lurking in the depths of the locked room will be revealed…

A horror and mystery escape game begins now.

◆ How to Play
1. Explore the locked room and discover clues.
2. Solve puzzles and solve mechanisms.
3. Deduce and investigate the truth from evidence and conversations.
4. The ending changes depending on your final choice.

◆ Recommended for:
- Those who like puzzle and mystery games.
- Those who want to experience fear and thrills in a horror escape game.
- Those looking for a game where they investigate and solve a murder case as a detective.
- Those who like locked-room mysteries, suspense, and lateral thinking games.
- Those looking for a free escape game that can be played offline.
- Those looking for a new horror game or a new puzzle game.

◆ Series Titles
- The Cursed Locked Room (A horror-heavy escape mystery)
- The Locked Room in the Abandoned Hospital (A suspenseful escape game where fear and deduction intersect)
- The Game Master's Locked Room (A battle of wits full of tricks)

Can you uncover the truth from a locked room filled with fear and suspense?

Download it for free now and try to escape from a mysterious locked room.