Games like Primal Fears
Games like Primal Fears include Left 4 Dead 2, Hotline Miami, Hotline Miami 2: Wrong Number, Back 4 Blood, and Killing Floor. We matched them by the tags players give Primal Fears on Steam (Action, Indie, Gore, Violent, and Top-Down): closest matches first, and among equally close ones the better-known games.
Left 4 Dead 2
Shared: Co-op · Action · Zombies
Hotline Miami
Shared: Action · Indie · Violent
Hotline Miami 2: Wrong Number
Shared: Gore · Action · Violent
Back 4 Blood
Shared: Gore · Action · Zombies
Killing Floor
Shared: Co-op · Action · Zombies
Resident Evil 3
Shared: Action · Horror · Zombies
Dead by Daylight
Shared: Gore · Horror · Co-op
Hatred
Shared: Action · Gore · Violent
My Friend Pedro
Shared: Action · Indie · Gore
Ready or Not
Shared: Co-op · Shooter · Action
Nation Red
Shared: Action · Indie · Gore
Serious Sam 4
Shared: Action · Gore · Co-op
Blood and Bacon
Shared: Gore · Action · Co-op
SAS: Zombie Assault 4
Shared: Action · Co-op · Zombies
The Ascent
Shared: Action · Co-op · Indie
RUINER
Shared: Action · Indie · Violent
Trepang2
Shared: Gore · Action · Violent
Killing Floor 2
Shared: Gore · Zombies · Action
CARRION
Shared: Gore · Action · Indie
Resident Evil 2
Shared: Action · Zombies · Gore
Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Indie
The Walking Dead: Saints & Sinners
Shared: Action · Gore · Zombies
DOOM Eternal
Shared: Action · Gore · Violent
Redeemer: Enhanced Edition
Shared: Action · Gore · Indie