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

◆ Puzzle solving, deduction, and escape! A terrifying horror mystery

"The Locked Room Without a Key" is a full-fledged mystery adventure that combines puzzle solving, deduction, escape games, and horror.
This free game challenges you to escape a locked room, gather clues, deduce the truth, and solve the case.
Experience a thrilling story that combines suspense, fear, and psychological warfare.

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◆ Game Features
• A free-to-play puzzle-solving, deduction, and escape game
• Horror suspense and terrifying experiences set in a locked room
• A deduction game where you search for clues and logically approach the truth
• A branching mystery where the story unfolds based on your choices
• Hints are included for beginners' peace of mind
• A story that continues in the series, including "The Cursed Locked Room," "The Abandoned Hospital Locked Room," and "The Game Master's Locked Room."

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◆ Story Overview

One day, you find yourself trapped in a "locked room without a key."
All that remains is a mysterious message and an eerie presence.

As you gather clues in the midst of fear and deduce the truth behind the crime and the culprit,
the terrifying secret lurking deep within the locked room will soon be revealed...

This escape mystery, where horror and deduction intersect, begins now.

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◆ How to Play
1. Explore the locked room and discover clues.
2. Unlock puzzles and unlock mechanisms.
3. Deduce the truth from evidence and conversations.
4. Your final choice changes the ending.

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◆ Appealing Points
• Horror and suspense typical of a horror game
• Logical puzzle solving that can be enjoyed as a mystery game
• The tension and thrill of escaping a locked room
• A narrative where you become a detective and attempt to solve the case
• Free to play with offline support

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◆ Series Titles

Currently streaming as part of the popular locked room series!
• Cursed Locked Room (A horror-infused escape mystery)
• Abandoned Hospital Locked Room (A suspenseful escape game where fear and deduction intersect)
• Game Master's Locked Room (A brain-busting battle of wits)

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◆ Recommended for:
• Fans of puzzle-solving and mystery games
• Want to experience the fear and thrill of a horror escape game
• Fans of locked-room mysteries and suspense
• Looking for a free escape game
• Enjoy collecting clues and deducing the truth

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◆ Try it now!

"Keyless Locked Room" is a full-fledged mystery that combines puzzle-solving, deduction, and horror escapes.

Can you uncover the truth in this terrifying and suspenseful locked room?

Download now for free and escape from the mysterious locked room.

What’s new

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/

【お知らせ】新作脱出ゲーム「社畜勇者の脱出」をリリースしたので、是非遊んで見てください！
https://app-seed.com/brave-escape/

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！