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Steam

動作不良 - System Malfunction -

Also known as sm, steam:3009900, system malfunction

"System Malfunction" is a first-person horror game set in a mysterious building. The player takes on the role of a security guard who witnesses strange occurrences during the night shift. In a fear-inducing environment, the player explores the building to uncover hidden truths.

Last update
4 Jun 2026
Original sources
1
Latest update
Announcement

v1.0.2July 16, 2024 Update v1.0.2

・Fixed an issue where some achievements were not unlocking. ┗ After the update, achievements will unlock when the title screen is displayed if the conditions are met. ・Added a confirmation message when pressing "Continu…

1 changeFixUI/audio
Latest updates

Update history

Browse past updates and patch notes for this game.

2updates

Gallery

In-game media