Games like Hollow
Games like Hollow include Outlast, Dying Light, Resident Evil Village, Resident Evil Requiem, and The Forest. We matched them by the tags players give Hollow on Steam (Horror, Action, Adventure, Indie, and Survival Horror): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · Adventure

Dying Light
Shared: Horror · Survival Horror · Action

Resident Evil Village
Shared: Horror · Survival Horror · Action

Resident Evil Requiem
Shared: Horror · Survival Horror · Action

The Forest
Shared: Horror · Adventure · Action

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Gore

Resident Evil 4
Shared: Horror · Action · Survival Horror

The Beast Inside
Shared: Horror · Adventure · Action

Dead Space (2008)
Shared: Horror · Action · Sci-fi

Notes of Soul
Shared: Horror · Action · Adventure

Lethal Company
Shared: Horror · Survival Horror · Sci-fi

System Shock
Shared: Action · Horror · Adventure

Daymare: 1998
Shared: Action · Horror · Survival Horror

Atomic Heart
Shared: Adventure · Action · Horror

Half-Life 2
Shared: Action · Sci-fi · FPS

Lucius
Shared: Horror · Adventure · Indie

Nightmare of Decay
Shared: Horror · Action · Survival Horror

Alien: Isolation
Shared: Horror · Survival Horror · Sci-fi

Aliens vs. Predator™
Shared: Action · Horror · FPS

Left 4 Dead 2
Shared: Action · Horror · FPS

Blood and Bacon
Shared: Action · Horror · Gore

Resident Evil 4 (2005)
Shared: Action · Horror · Survival Horror

Bendy and the Dark Revival
Shared: Horror · Action · Adventure

METRO Last Light Redux
Shared: Action · Horror · FPS