Games like Eight Strange Corridors
Games like Eight Strange Corridors include Outlast, The Exit 8, The Cabin Factory, Fears to Fathom® - Scratch Creek, and Layers of Fear (2016). We matched them by the tags players give Eight Strange Corridors on Steam (Hidden Object, Casual, Horror, Psychological Horror, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Psychological Horror · Atmospheric

The Exit 8
Shared: Horror · Walking Simulator · Immersive Sim

The Cabin Factory
Shared: Horror · Psychological Horror · Walking Simulator

Fears to Fathom® - Scratch Creek
Shared: Horror · Psychological Horror · Casual

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Walking Simulator

[Chillas Art] The Convenience Store
Shared: Horror · Psychological Horror · Casual

The Death | Thần Trùng
Shared: Horror · Psychological Horror · Casual

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Atmospheric

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · Casual

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

Platform 8
Shared: Psychological Horror · Hidden Object · Walking Simulator

Scanner Sombre
Shared: Horror · Walking Simulator · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

MiSide
Shared: Psychological Horror · Horror · Atmospheric

[Chillas Art] Shinkansen 0 0
Shared: Horror · Psychological Horror · Casual

Fears to Fathom - Ironbark Lookout
Shared: Horror · Psychological Horror · Atmospheric

The Room Two
Shared: Hidden Object · Horror · Atmospheric

The Beast Inside
Shared: Horror · Adventure · Psychological Horror

Ready or Not
Shared: Horror · Realistic · Psychological Horror

The Hat Man: Shadow Ward
Shared: Horror · Adventure · Atmospheric

Visage
Shared: Horror · Psychological Horror · Atmospheric

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Still Wakes the Deep
Shared: Horror · Psychological Horror · Walking Simulator

From The Darkness
Shared: Horror · Psychological Horror · Walking Simulator