Steam

ACCIDENTALLY

Also known as ACCIDENTALLY, a, accidentally

A chance encounter. An inevitable murder. The truth always hides where you least expect it. Survive the night in this mansion.

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Last update

17 May 2026

Original sources

Latest update

EventPublished 29 Sept 2025

🕯️ Official Launch — The Mansion Awaits 🕯️

Hello! This is the development team! The wait is over... The full version of is officially live on Steam! 🎉 A chance encounter leads to a grim morning. A cold body awaits in the mansion… Will you make it out alive? 🖤…

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Browse past updates and patch notes for this game.

8updates

August 2025
🎉 DEMO Review Event Winners Announced 🎉Hello! This is the development team! First of all, we’d like to extend our deepest thanks to everyone who took part in our DEMO review event. Your feedback and excitement have helped make our noir mystery even more grip…Event2 changes13 Aug 2025
July 2025
DEMO Review Event Extended By 2 Weeks!🕯️Hello everyone. This is the development team! 🔔We are thrilled to announce that the DEMO event will be extended for 2 more weeks!🔔 Thanks to all your amazing support and interest, the DEMO Steam Review Event will be e…Event2 changes17 Jul 2025
Hello from the Dev team of Accidentally! Our new horror-thriller visual novel, , is now live on itch.io in demo form! ▶️ Play the DEMO Now This is an early demo, and your feedback means everything to us. Let us know: -…Patch notes09 Jul 2025
Hi everyone, This is the development team! First of all, we'd like to sincerely thank everyone who played the demo and provided valuable feedback. Based on these inputs, we have made some changes and improvements. ✍️ Wh…3 changesPerformancePatch notes02 Jul 2025
“Accidentally” DEMO Steam Review EventHi everyone, This is the Accidentally development team! On a rainy night, a chilling story of fear and despair unfolds— our suspense-noir mystery visual novel Accidentally is now live with a playable DEMO. Take your fir…Event1 change01 Jul 2025
June 2025
📩 A Message from the DevelopersAnnouncement30 Jun 2025
🎬 [ACCIDENTALLY] Official YouTube Channel OPEN!Hello, we’re the [ACCIDENTALLY] dev team! 🔍 The shadows are calling… and the truth won’t stay hidden. Our official YouTube channel for the mystery noir game [ACCIDENTALLY] is finally OPEN! 🎉 Want to see the game in a…Announcement1 changeGameplay18 Jun 2025

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