Demo · Released

unknown.exe Demo

One of your coworkers has gone missing in the company supply room. There’s only boxes and a broken computer. How is that possible? Investigate the room for clues, uncover the truth, and survive. Your choices lead to many different outcomes.

Release date
October 1, 2026
Platforms
Windows
Developer
STUDIO KOENJI
Publisher
STUDIO KOENJI
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About unknown.exe Demo

One of your coworkers has gone missing in the company supply room. There’s nothing but piles of boxes and a broken computer.. So how could this have happened? Goal1. Find and delete unknown.exe.2. Empty the recycle bin.3. Escape from the room.WARNING: DO NOT EXECUTE THE FILE.

ControlsThe game uses keyboard and mouse controls, with most interactions working just like they do in Windows. Left Click: Select / OpenRight Click: Open MenuScroll: Scroll Up / Down AnomaliesMore than 20 anomalies can occur, from familiar classics to unexpected surprises. Some may happen outside the computer.

If you don’t respond to them properly, there may be consequences. EndingsThere are 4 endings depending on your choices. Each ending has a different level of difficulty, and the playtime varies as well. The full release will feature more endings and anomalies.

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★ 10.0/10Steam · 1 ratings
SteamLast checked November 2, 2026

Most helpful1

Recommended
Included this in my 3 random horror game video! For being only a demo, this was not too bad at all! Solid little game where…

Most recent1

Recommended
Included this in my 3 random horror game video! For being only a demo, this was not too bad at all! Solid little game where…

Short excerpts linked to their source. The score above uses aggregate storefront ratings—not these few comments.