Games like Beguiled Egress
Games like Beguiled Egress include Layers of Fear (2016), Poppy Playtime, SOMA, What Remains of Edith Finch, and Outlast. We matched them by the tags players give Beguiled Egress on Steam (Psychological Horror, Horror, First-Person, Puzzle, and Exploration): closest matches first, and among equally close ones the better-known games.

Layers of Fear (2016)
Shared: Psychological Horror · Horror · First-Person

Poppy Playtime
Shared: Horror · Puzzle · First-Person

SOMA
Shared: Psychological Horror · Horror · Atmospheric

What Remains of Edith Finch
Shared: First-Person · Atmospheric · Walking Simulator

Outlast
Shared: Horror · First-Person · Psychological Horror

Firewatch
Shared: Atmospheric · First-Person · Walking Simulator

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

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

Scanner Sombre
Shared: Horror · Exploration · Psychological Horror

Amnesia: A Machine For Pigs
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · First-Person

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares II
Shared: Horror · Puzzle · Psychological Horror

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

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

INFRA
Shared: Puzzle · Exploration · First-Person

ROUTINE
Shared: Psychological Horror · Atmospheric · Horror

Little Nightmares
Shared: Horror · Atmospheric · Puzzle

The Exit 8
Shared: Horror · Puzzle · Exploration

Still Wakes the Deep
Shared: Psychological Horror · Horror · First-Person

Outer Wilds
Shared: Exploration · Puzzle · Atmospheric

Among the Sleep - Enhanced Edition
Shared: Horror · First-Person · Atmospheric

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

The Witness
Shared: Puzzle · First-Person · Exploration