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Spot anomalies through endless corridors in an experiment known only as 'Hallway 41'. Successfully traverse them 10 times to complete the trial!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
You have been asked to take part in an experiment known as 'Hallway 41'. Traverse the endless hallways carefully observing every detail to make sure you can report the anomalies and successfully complete the trial.
Hallway 41 is a fairly short anomaly-spotting walking sim, featuring endlessly generated hallways with intricate changes each time. Be attentive to your surroundings to make sure you can survive ten successful traversals through the atmospheric 'Hallway 41'.
If you spot an anomaly in the hallway - report it by pressing the button by the exit door
If you don't spot an anomaly - do not press the button!
Successfully navigate through a total of 10 hallways to complete the trial
Your traversal count will be reset if you fail to identify an anomaly!
Enjoy your time in Hallway 41, there's a nice gift waiting for you at the end of the trials!
Note: Hallway 41 does include some mild jump scares and potentially unsettling content.
Please be aware that this game has only partial controller support currently. You will be able to use an Xbox controller to play the game itself, but menu and interface navigation can only currently be performed with a mouse.
