Games like Lost Hope: Prologue
Games like Lost Hope: Prologue include MiSide, Outlast 2, Resident Evil 7 Biohazard, Resident Evil Village, and Outlast. We matched them by the tags players give Lost Hope: Prologue on Steam (Idler, 3D, First-Person, Psychological Horror, and Story Rich): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Psychological Horror · Story Rich · First-Person

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

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

Resident Evil Village
Shared: First-Person · Action · Story Rich

Outlast
Shared: First-Person · Psychological Horror · Atmospheric

Red Dead Redemption 2
Shared: Story Rich · Action · Realistic

Mouthwashing
Shared: Psychological Horror · Story Rich · Atmospheric

Ready or Not
Shared: Realistic · First-Person · Psychological Horror

BioShock Infinite
Shared: First-Person · Action · Story Rich

SOMA
Shared: Psychological Horror · Story Rich · Atmospheric

The Beast Inside
Shared: First-Person · Psychological Horror · Action

Kingdom Come: Deliverance II
Shared: First-Person · Story Rich · Realistic

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

RoboCop: Rogue City
Shared: First-Person · Action · Story Rich

No, I'm not a Human
Shared: Psychological Horror · Story Rich · First-Person

SILENT HILL: Townfall
Shared: Psychological Horror · First-Person · Action

SILENT HILL 2
Shared: Psychological Horror · Story Rich · Atmospheric

The Evil Within 2
Shared: Psychological Horror · Story Rich · Action

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

Buckshot Roulette
Shared: First-Person · 3D · Psychological Horror

Resident Evil Requiem
Shared: First-Person · Action · 3D

DOOM Eternal
Shared: Action · Gore · First-Person

SILENT HILL f
Shared: Psychological Horror · Story Rich · Action

METRO 2033 Redux
Shared: Story Rich · First-Person · Atmospheric