Games like The Angel's Mandate
Games like The Angel's Mandate include Five Nights at Freddy's: Security Breach, Escape the Backrooms, MiSide, Lethal Company, and Five Nights at Freddy's: Secret of the Mimic. We matched them by the tags players give The Angel's Mandate on Steam (Exploration, Action-Adventure, 3D, First-Person, and Horror): closest matches first, and among equally close ones the better-known games.

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

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

MiSide
Shared: Psychological Horror · Horror · First-Person

Lethal Company
Shared: First-Person · Horror · Exploration

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

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

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

SOMA
Shared: Horror · Psychological Horror · Exploration

No, I'm not a Human
Shared: Horror · Psychological Horror · Choices Matter

Far Cry® 5
Shared: Action-Adventure · Exploration · First-Person

Inside the Backrooms
Shared: Horror · Exploration · Psychological Horror

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

Firewatch
Shared: Exploration · Adventure · First-Person

What Remains of Edith Finch
Shared: Exploration · First-Person · Story Rich

Outer Wilds
Shared: Exploration · Adventure · Story Rich

Hamster Hunter
Shared: Exploration · Action-Adventure · 3D

Incantation
Shared: Exploration · First-Person · Action-Adventure

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

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

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

The Casting of Frank Stone™
Shared: Horror · Choices Matter · Multiple Endings

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

Darkwood
Shared: Horror · Psychological Horror · Adventure

SILENT HILL f
Shared: Horror · Psychological Horror · Action-Adventure