Games like DeMon Researcher
Games like DeMon Researcher include Grand Theft Auto V Legacy, Resident Evil 4 (2005), Just Cause™ 3, Grand Theft Auto IV: The Complete Edition, and Red Dead Redemption 2. We matched them by the tags players give DeMon Researcher on Steam (Action, Shooter, Third-Person Shooter, Third Person, and Survival Horror): closest matches first, and among equally close ones the better-known games.

Grand Theft Auto V Legacy
Shared: Action · Open World · Third Person

Resident Evil 4 (2005)
Shared: Action · Survival Horror · Inventory Management

Just Cause™ 3
Shared: Action · Third-Person Shooter · Open World

Grand Theft Auto IV: The Complete Edition
Shared: Action · Open World · Third Person

Red Dead Redemption 2
Shared: Action · Open World · Shooter

Just Cause 2
Shared: Action · Third Person · Open World

Grand Theft Auto V Enhanced
Shared: Action · Shooter · Open World

Watch_Dogs™
Shared: Action · Open World · Third Person

Rise of the Tomb Raider™
Shared: Action · Third Person · Adventure

Watch_Dogs® 2
Shared: Action · Open World · Shooter

Tomb Raider Game of the Year
Shared: Action · Third Person · Third-Person Shooter

Tom Clancy's Ghost Recon® Wildlands
Shared: Shooter · Open World · Action

Mafia II (Classic)
Shared: Action · Open World · Third Person

Dead Space™ 2
Shared: Third-Person Shooter · Shooter · Survival Horror

Star Wars Outlaws
Shared: Action · Third Person · Open World

Tom Clancy's Ghost Recon® Breakpoint
Shared: Shooter · Open World · Action

Max Payne 3
Shared: Action · Third-Person Shooter · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Third-Person Shooter · Action

God of War
Shared: Action · Third Person · Singleplayer

Grand Theft Auto III – The Definitive Edition
Shared: Action · Third-Person Shooter · Open World

Just Cause 4 Reloaded
Shared: Action · Open World · Third-Person Shooter

Crimson Desert Enhanced
Shared: Action · Open World · Singleplayer

Resident Evil 4
Shared: Action · Third-Person Shooter · Survival Horror

Tom Clancy’s The Division™
Shared: Action · Third-Person Shooter · Open World