Games like Seventh Mansion: The First Escape
Games like Seventh Mansion: The First Escape include Lethal Company, Outlast, Poppy Playtime, Resident Evil 7 Biohazard, and SOMA. We matched them by the tags players give Seventh Mansion: The First Escape on Steam (Psychological Horror, Survival Horror, Horror, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · First-Person · Survival Horror

Outlast
Shared: Horror · Survival Horror · First-Person

Poppy Playtime
Shared: Horror · Survival Horror · First-Person

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · First-Person

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Inside the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

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

Amnesia: The Dark Descent
Shared: Psychological Horror · Horror · Survival Horror

Outlast 2
Shared: Psychological Horror · Horror · Survival Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Subnautica 2
Shared: Horror · Survival Horror · Exploration

SILENT HILL 2
Shared: Psychological Horror · Horror · Survival Horror

Visage
Shared: Psychological Horror · Horror · Survival Horror

Resident Evil Village
Shared: Survival Horror · Horror · First-Person

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Atmospheric

Darkwood
Shared: Survival Horror · Horror · Psychological Horror

The Forest
Shared: Horror · Survival Horror · Adventure

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

The Beast Inside
Shared: Horror · Survival Horror · First-Person

Little Nightmares
Shared: Horror · Atmospheric · Adventure

Nuclear Nightmare
Shared: Survival Horror · Horror · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · First-Person

Five Nights at Freddy's
Shared: Horror · Survival Horror · Psychological Horror

Little Nightmares II
Shared: Horror · Adventure · Psychological Horror