Games like Space of Darkness
Games like Space of Darkness include The Forest, Dead by Daylight, CARRION, The Beast Inside, and Dying Light. We matched them by the tags players give Space of Darkness on Steam (Adventure, Action, Indie, Gore, and Violent): closest matches first, and among equally close ones the better-known games.

The Forest
Shared: Adventure · Horror · Survival

Dead by Daylight
Shared: Gore · Horror · Violent

CARRION
Shared: Gore · Action · Indie

The Beast Inside
Shared: Adventure · Action · Horror

Dying Light
Shared: Horror · Gore · Action

The Walking Dead: Saints & Sinners
Shared: Action · Adventure · Gore

Outlast
Shared: Horror · Gore · Adventure

Resident Evil Village
Shared: Action · Horror · Gore

Blood and Bacon
Shared: Gore · Action · Horror

DOOM Eternal
Shared: Action · Gore · Violent

Left 4 Dead 2
Shared: Action · FPS · Gore

Daymare: 1998
Shared: Action · Adventure · Indie

Resident Evil 7 Biohazard
Shared: Horror · Gore · Action

Resident Evil 4
Shared: Action · Horror · Survival

Nightmare of Decay
Shared: Action · Horror · Indie

[Chillas Art] Aka Manto
Shared: Indie · Action · Gore

DOKA 2 KISHKI EDITION
Shared: Gore · Action · Violent

Serious Sam 4
Shared: Action · Gore · Adventure

Killing Floor
Shared: Action · Horror · FPS

Outlast 2
Shared: Horror · Gore · Violent

Valakas Story
Shared: Action · Adventure · Gore

G2 Fighter / 基因特工
Shared: Adventure · Action · Indie

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

The Evil Within 2
Shared: Action · Horror · Adventure