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unknown.exe

Demo available

STUDIO KOENJIDiscovered Oct 2, 2026

About the game

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.

Original Steam description

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?

About the Demo

This demo includes 20+ anomalies and 4 endings.
The full game contains additional anomalies and endings not available in the demo.

Goal

1. Find and delete unknown.exe.

2. Empty the recycle bin.

3. Escape from the room.

WARNING: DO NOT EXECUTE THE FILE.

Controls

The game uses keyboard and mouse controls, with most interactions working just like they do in Windows.

  • Left Click: Select / Open

  • Right Click: Open Menu

  • Scroll: Scroll Up / Down

Anomalies

More than 35 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.

Endings

There are 7 endings depending on your choices. Each ending has a different level of difficulty, and the playtime varies as well.

Demo and release information

A Steam demo was found at the latest check. Confirm it is still available in your region on Steam before downloading.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC