Games like THE TEMPLE: CH 1
Games like THE TEMPLE: CH 1 include Outlast, Five Nights at Freddy's: Secret of the Mimic, Little Nightmares II, Bendy and the Dark Revival, and Resident Evil Requiem. We matched them by the tags players give THE TEMPLE: CH 1 on Steam (Adventure, Casual, Action-Adventure, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: First-Person · Horror · Atmospheric

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Horror

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Bendy and the Dark Revival
Shared: Adventure · First-Person · Horror

Resident Evil Requiem
Shared: Horror · First-Person · Action-Adventure

Poppy Playtime
Shared: Horror · First-Person · Dark

Choo-Choo Charles
Shared: First-Person · Horror · 3D

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Adventure

Little Nightmares
Shared: Adventure · Atmospheric · Horror

KLETKA
Shared: Adventure · First-Person · Horror

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Adventure

Firewatch
Shared: Adventure · Atmospheric · First-Person

SILENT HILL: Townfall
Shared: Adventure · Horror · First-Person

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

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Adventure · Dark

Hello Neighbor 2
Shared: Adventure · Action-Adventure · First-Person

Outlast 2
Shared: First-Person · Horror · Dark

Buckshot Roulette
Shared: Dark · First-Person · Horror

Blair Witch
Shared: Adventure · Horror · First-Person

Thief
Shared: Adventure · First-Person · Dark

A Plague Tale: Requiem
Shared: Adventure · Action-Adventure · Action

INSIDE
Shared: Atmospheric · Dark · Adventure

PEAK
Shared: Adventure · First-Person · 3D

The Room
Shared: Adventure · Atmospheric · Casual