Screenshots
Watch trailer on Steam ↗異常階段 - Abnormal Stairs
gemmy, Inc. · Published by gemmy, Inc.
Positive — 89% positive (19 reviews) · 12 achievements
Last updated 28 Sept 2026
"Abnormal Stairs" is a game where you go down the stairs while looking for abnormalities.
DJCTQ 16
£3.39
Lowest price we've ever recorded
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£3.39
Price history
4 Sept 2026Lowest: £3.39 · Highest: £3.399 Oct 2026
Action, Adventure, Indie · 2024 · More under £5 games
Venture down a staircase filled with unexpected challenges in Abnormal Stairs. As you descend, keep an eye out for the lurking abnormalities that await at every turn.
About this game
The elevator broke down.
Head to the emergency stairs to exit from the 8th floor.
However, there was an "abnormal staircase" that looped forever...!
Many strange things happen to you as you try to get down to the first floor.
You find all 30 anomalies,
Will we be able to reach the true ending?
If you find anything unusual, please be sure to return.
If there is no problem, please proceed.
Method of operation:
W/A/S/D - Move
E - open door
Esc - Settings
Please feel free to post and distribute videos, whether you are an individual or a corporation.
Please include the name of the game in the title of your video and stream.
Example) 異常階段、異常階段-AbnormalStairs、AbnormalStairs
Please refrain from reprinting or secondary distribution without permission.
Please refrain from analyzing the game and using internal assets without permission.
Although some damage may occur during content production/distribution, we cannot be held responsible. note that.
We would appreciate it if you could include a link to your Steam page in the summary section.
These guidelines are subject to change without notice.
Head to the emergency stairs to exit from the 8th floor.
However, there was an "abnormal staircase" that looped forever...!
Many strange things happen to you as you try to get down to the first floor.
You find all 30 anomalies,
Will we be able to reach the true ending?
If you find anything unusual, please be sure to return.
If there is no problem, please proceed.
Method of operation:
W/A/S/D - Move
E - open door
Esc - Settings
Content production/distribution guidelines
Please feel free to post and distribute videos, whether you are an individual or a corporation.
Please include the name of the game in the title of your video and stream.
Example) 異常階段、異常階段-AbnormalStairs、AbnormalStairs
Please refrain from reprinting or secondary distribution without permission.
Please refrain from analyzing the game and using internal assets without permission.
Although some damage may occur during content production/distribution, we cannot be held responsible. note that.
We would appreciate it if you could include a link to your Steam page in the summary section.
These guidelines are subject to change without notice.
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS: Windows10,11
- Additional Notes: Requires a 64-bit processor and standard system
Supported Languages
English, Japanese
Latest news
Patch NotesOfficial
9/1 bug fixed
・Fixed an issue where the footsteps sound would sometimes disappear. ・Adjustment regarding ending BGM ・Adjustment of viewpoint movement speedRead full article on Community Announcements (okuyama)Patch NotesOfficial
8/30 Bug fixed
・Fixed some unusual bugs ・Fixed an issue where the volume of some performances such as the ending was too loud. ・Fixed a bug that caused the game to freeze during the ending.Read full article on Community Announcements (okuyama)Patch NotesOfficial
8/28 Bug fix update 2
・Resolving problems related to performanceRead full article on Community Announcements (okuyama)Patch NotesOfficial
8/28 Bug fix update
-Fixed an issue where the volume was not normal. -Fixed an issue where some achievements could not be unlocked.Read full article on Community Announcements (okuyama)
