Games like Metal Assault
Games like Metal Assault include Middle-earth: Shadow of War, The Walking Dead: Saints & Sinners, DOOM Eternal, Serious Sam 4, and Serious Sam Fusion 2017 (beta). We matched them by the tags players give Metal Assault on Steam (Action, Adventure, Gore, Violent, and Indie): closest matches first, and among equally close ones the better-known games.

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

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

DOOM Eternal
Shared: Action · Gore · Violent

Serious Sam 4
Shared: Action · Gore · Adventure

Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Violent

BioShock Infinite
Shared: Action · Adventure · RPG

Blade and Sorcery
Shared: Gore · Action · VR

Hotline Miami
Shared: Action · Violent · Indie

DOKA 2 KISHKI EDITION
Shared: Gore · Action · Violent

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

Sairento VR
Shared: Action · Indie · RPG

CARRION
Shared: Gore · Action · Indie

God of War
Shared: Action · Adventure · RPG

Paint the Town Red
Shared: Action · Gore · Violent

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

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

GORN
Shared: Action · Gore · Violent

RoboCop: Rogue City
Shared: Action · FPS · Gore

Necromunda: Hired Gun
Shared: Action · Adventure · Gore

Prodeus
Shared: Action · Gore · Adventure

The Walking Dead Onslaught
Shared: Action · Adventure · Gore

Vertigo Remastered
Shared: Action · Adventure · Indie

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action

Hellblade: Senua's Sacrifice VR Edition
Shared: Action · Adventure · Violent