AccidentHouse

64KS
Released Dec 21, 2020by K App.Mostly Positive(76% of 82 Steam reviews)

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.

Offers

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Official stores

Official stores with direct support.

Steam
SteamOfficial
updated

About AccidentHouse

■Introduction

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...

■Your Only Ally Is a Single Light

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!

■Multiple Endings

The protagonist's fate is determined by your choices.

Your actions can drastically alter the outcome of the story.

■The Untold Secret of the Series Revealed

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.

■Extra Content After Completion

In addition to the brutally difficult "Oni Mode," the game also includes a BGM selection feature.

■Supports Real-Time Ray Tracing and Upscaling

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.

■Guidelines for Content Creators

• 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

Game details

Game details

Released
Developer
Publisher
Platforms
Steam rating
Mostly Positive (76%)

DRM: K App., KGSS(K GAME Security System) machine activation limit

Age ratings

IGRS 18DEJUS 14STEAM_GERMANY 16

Game modes

AccidentHouse price history

Lowest tracked price: CA$2.49 (Jul 7, 2026) · current best: CA$4.99.

AccidentHouse player count & reviews

76% positive reviews all-time · 0 peak players in the last 30 days.

AccidentHouse — frequently asked questions

Where can I buy AccidentHouse at the cheapest price?

Right now the cheapest offer for AccidentHouse is CA$4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.

What is the lowest price AccidentHouse has ever been?

The lowest price KingsPrice has tracked for AccidentHouse is CA$2.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.

How many people play AccidentHouse?

AccidentHouse peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.

How can I get AccidentHouse at a discount?

Create a free price alert on this page and KingsPrice will email you when AccidentHouse drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows10
  • Processor: Intel® Core™ i3 / AMD Ryzen™
  • Graphics: GeForce® GTX 1060
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Storage: 2 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows10 / Windows11
  • Processor: Intel® Core™ i5 / AMD Ryzen™
  • Graphics: GeForce® RTX 2060
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Storage: 2 GB available space

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