Games like Hope Deferred
Games like Hope Deferred include Fear & Hunger 2: Termina, No, I'm not a Human, Lethal Company, Outlast, and Poppy Playtime. We matched them by the tags players give Hope Deferred on Steam (RPG, Psychological Horror, First-Person, Nonlinear, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Fear & Hunger 2: Termina
Shared: RPG · Psychological Horror · Survival Horror

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

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

Outlast
Shared: First-Person · Psychological Horror · Horror

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

The Dark Pictures Anthology: House of Ashes
Shared: Psychological Horror · Choices Matter · Multiple Endings

Outlast 2
Shared: Psychological Horror · First-Person · Horror

Darkwood
Shared: Psychological Horror · RPG · Horror

The Outlast Trials
Shared: Psychological Horror · First-Person · Horror

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

Five Nights at Freddy's
Shared: Psychological Horror · Horror · First-Person

Phasmophobia
Shared: Psychological Horror · Horror · First-Person

Pathologic 3
Shared: Psychological Horror · Horror · First-Person

OMORI
Shared: Psychological Horror · RPG · Multiple Endings

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

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

SOMA
Shared: Psychological Horror · Horror · First-Person

Dark Deception
Shared: First-Person · Psychological Horror · Horror

Into the Dead: Our Darkest Days
Shared: Psychological Horror · Survival Horror · Horror

Legend of Mortal
Shared: RPG · Multiple Endings · Choices Matter

The Bridge Curse Road to Salvation
Shared: First-Person · Psychological Horror · RPG

Visage
Shared: Psychological Horror · First-Person · Horror

Slay the Princess — The Pristine Cut
Shared: Psychological Horror · Choices Matter · Horror

The Coffin of Andy and Leyley
Shared: Psychological Horror · Multiple Endings · Choices Matter