Games like Plagueborn Survivor
Games like Plagueborn Survivor include Arma 3, BONELAB, Hard Bullet, KovaaK's, and Onward. We matched them by the tags players give Plagueborn Survivor on Steam (Action, Simulation, Action-Adventure, Shooter, and Collectathon): closest matches first, and among equally close ones the better-known games.

Arma 3
Shared: Action · Simulation · Shooter

BONELAB
Shared: Action · Shooter · VR

Hard Bullet
Shared: Action · Simulation · VR

KovaaK's
Shared: Action · Simulation · Shooter

Onward
Shared: Shooter · Simulation · Action

FPV Kamikaze Drone
Shared: Action · Simulation · Shooter

Pavlov
Shared: Action · Shooter · VR

Contractors
Shared: Action · Simulation · VR

Aimlabs
Shared: Simulation · Action · Shooter

Far Cry® 5
Shared: Action-Adventure · Shooter · Exploration

Call of Duty®
Shared: Action · Shooter · First-Person

Arma Reforger
Shared: Simulation · Shooter · Action

Squirrel with a Gun
Shared: Action · Simulation · Shooter

BONEWORKS
Shared: Action · Shooter · VR

Ravenfield
Shared: Shooter · Action · First-Person

Far Cry® 6
Shared: Action-Adventure · Action · Shooter

War Thunder
Shared: Action · Simulation · VR

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Survival

Five Nights at Freddy's: Secret of the Mimic
Shared: Action · First-Person · Exploration

MechWarrior 5: Clans
Shared: Action · Simulation · Shooter

Hell Let Loose: Vietnam
Shared: Action · Simulation · Shooter

Project Wingman
Shared: Action · Simulation · Military

GoreBox
Shared: Shooter · Violent · First-Person

Hell Let Loose
Shared: Shooter · Action · Simulation