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AccidentHouse is a short first-person horror game developed by a 19-year-old Japanese student.
Released 21 Dec 2020
AccidentHouse is a short first-person horror game developed by a 19-year-old Japanese student. Explore a dark abandoned house, collect keys, evade lurking threats, and uncover the truth behind a mysterious incident from two years ago.
Developed by K App. · Published by K App.







AccidentHouse has about 61 positive and 20 negative player reviews out of a total 81. We'll add a detailed breakdown here when there are more reviews.
After being called by a friend, the protagonist heads to an abandoned house late at night.
However, when they arrive at the meeting place, their friend is nowhere to be found.
As they explore the eerie house shrouded in an unsettling presence, they become entangled in a horrifying incident...
Explore the abandoned house using your flashlight as your primary tool.
Enemies lurking in the darkness react to light, allowing you to weaken them or lure them away.
Assess your surroundings with limited visibility, evade your pursuers, and uncover the truth behind the mystery!
The protagonist's fate is determined by your choices.
Your actions can drastically alter the outcome of the story.
Uncover the truth behind the mysterious incident that occurred two years before the events of the QuietMansion series.
The Untold Secret of the Series Revealed
Enjoyable even if you have not played the previous titles.
In addition to the brutally difficult "Oni Mode," the game also includes a BGM selection feature.
Experience enhanced visuals with real-time ray tracing.
Enjoy realistic reflections on water surfaces and detailed shadow rendering.
The game also supports upscaling technologies, delivering high-quality graphics with improved performance.
• Creating, uploading, and streaming videos featuring this game is permitted.
• Monetization of videos and streams is allowed without prior permission from the developer.
• We would appreciate it if you include "AccidentHouse" in the title or description of your video.
• Please refer to the End User License Agreement (EULA) for full details.
Title : AccidentHouse
Genre : First-Person Horror Game
Play Time : Approximately 1–2 Hours
Accessibility Features : Motion Sickness Reduction Options
Hashtags : #QuietMansion #AccidentHouse
| Platforms | Windows |
|---|---|
| Achievements | 35 |
| Age ratings |
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| Controller required | No |
| DRM / EULA |
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| AI disclosure | Some elements of this game were created using generative AI. The game also utilizes AI-powered upscaling technology provided by GPU manufacturers. |
| AI disclosure categories |
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| Website | Official website |
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