Games like RetroRealms: Halloween
Games like RetroRealms: Halloween include DOOM Eternal, Middle-earth: Shadow of War, Bulletstorm: Full Clip Edition, Serious Sam 4, and Paint the Town Red. We matched them by the tags players give RetroRealms: Halloween on Steam (Action, Adventure, Gore, Violent, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

DOOM Eternal
Shared: Action · Gore · Violent

Middle-earth: Shadow of War
Shared: Action · Adventure · Violent

Bulletstorm: Full Clip Edition
Shared: Action · Gore · Adventure

Serious Sam 4
Shared: Action · Gore · Adventure

Paint the Town Red
Shared: Action · Gore · Violent

Gears 5
Shared: Action · Adventure · Gore

God of War
Shared: Action · Adventure · Violent

Prototype 2
Shared: Action · Gore · Violent

CARRION
Shared: Gore · Action · Violent

NINJA GAIDEN 4
Shared: Action · Adventure · Gore

Prototype™
Shared: Action · Gore · Adventure

Necromunda: Hired Gun
Shared: Action · Adventure · Gore

Hotline Miami
Shared: Action · Violent · Gore

Wolfenstein II: The New Colossus
Shared: Action · Gore · Violent

Mortal Kombat 11
Shared: Gore · Action · Violent

Hotline Miami 2: Wrong Number
Shared: Gore · Action · Violent

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

Mortal Kombat X
Shared: Action · Gore · Violent

NINJA GAIDEN Σ [NINJA GAIDEN: Master Collection]
Shared: Action · Gore · Violent

Just Cause 4 Reloaded
Shared: Action · Adventure · Violent

Mortal Kombat 1
Shared: Action · Gore · Violent

NINJA GAIDEN 3: Razor's Edge [NINJA GAIDEN: Master Collection]
Shared: Action · Gore · Adventure

DOKA 2 KISHKI EDITION
Shared: Gore · Action · Violent

Blade and Sorcery
Shared: Gore · Action · Violent