A free-to-play mystery-solving and escape game! A horror mystery filled with fear and thrills that takes place in a locked room. Solve the case with a battle of wits where truth and lies intersect! A thrilling horror mystery in a locked room.

Latest Version

Version
Update
Nov 6, 2025
Developer
Category
Google Play ID
Installs
50,000+

App APKs

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 GAME

◆ Puzzle solving, deduction, and escape! A thrilling horror mystery.
"The Locked Room Without a Key" is a full-scale horror mystery game that combines puzzle solving, deduction, and escape.
Uncover the truth hidden in a locked room and solve the case.
This popular free escape game combines the three elements of fear, suspense, and brain-boggling.



◆ Game Features
・A full-scale mystery-solving, deduction escape game that can be played from start to finish.
・Horror, suspense, and brain-boggling experiences unfold in a locked room.
・Collect clues and solve the case logically.
・A branching mystery where choices influence the plot.
・Hint function included for beginners.
・Continues the story in the series with "The Game Master's Locked Room," "The Cursed Locked Room," and "The Abandoned Hospital Locked Room."



◆ Story Overview

One day, you find yourself trapped in a locked room without a key.
All you'll find are a mysterious message and eerie footsteps.
As you pursue the truth of the crime amidst fear,
you will eventually discover the hidden "truth" and "culprit."

A terrifying locked-room mystery begins, where horror and deduction intertwine.



◆ How to Play
1. Explore the locked room and discover clues.
2. Solve puzzles to deactivate traps.
3. Deduce the truth from conversations and evidence.
4. Your final choice will change the outcome of the case.



◆ Features
- Horror-themed elements create tension and thrills.
- Brain-teasing and logical puzzle-solving unique to mystery games.
- A storyline that puts you in the role of a detective as you try to solve the case.
- Sound and visuals that let you experience the horror of a locked room.
- Play the entire game for free, with worry-free offline support.



◆ Series Titles

Currently available as part of the Locked Room series!
・"Cursed Locked Room": A terrifying escape game with enhanced horror elements
・"Abandoned Hospital Locked Room": A suspenseful mystery that combines thrills and horror
・"Game Master's Locked Room": A brain-busting mystery game packed with tricks
All titles offer puzzle-solving, deduction, and horror escapes.



◆ Recommended for:
・People who like puzzle-solving, deduction, and escape games
・Horror and suspense
・Want to experience the thrill of a locked room
・Looking for a free mystery game
・Want to experience the thrill of a case as a detective?



◆ Try it now!

"Keyless Locked Room" is a puzzle-solving horror mystery escape game that offers both fear and deduction.
Experience the psychological battles, brain games, and thrills that unfold in a locked room, and uncover the truth!
This free, authentic mystery escape game will put your powers of deduction to the test.
Download now and uncover the truth hidden in the keyless locked room!
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