Games like Slaughter: The Lost Outpost
Games like Slaughter: The Lost Outpost include Tomb Raider Game of the Year, Grand Theft Auto V Legacy, Rise of the Tomb Raider™, Just Cause™ 3, and UNCHARTED™: Legacy of Thieves Collection. We matched them by the tags players give Slaughter: The Lost Outpost on Steam (Action, Shooter, Singleplayer, Third-Person Shooter, and 3D): closest matches first, and among equally close ones the better-known games.

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

Grand Theft Auto V Legacy
Shared: Action · Shooter · Third Person

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

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

UNCHARTED™: Legacy of Thieves Collection
Shared: Singleplayer · Action · Adventure

God of War
Shared: Action · Singleplayer · Third Person

007 First Light
Shared: Third-Person Shooter · Singleplayer · Shooter

Black Myth: Wukong
Shared: Action · Singleplayer · Combat

Crimson Desert Enhanced
Shared: Action · Singleplayer · Combat

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

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Third Person

Red Dead Redemption 2
Shared: Action · Singleplayer · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Singleplayer · Action

Star Wars Outlaws
Shared: Action · Singleplayer · Third Person

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Third-Person Shooter · Third Person

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

Just Cause 2
Shared: Action · Third Person · Shooter

Marvel’s Spider-Man Remastered
Shared: Action · Singleplayer · Combat

STAR WARS Jedi: Survivor™
Shared: Action · Singleplayer · Third Person

Fallout 4
Shared: Singleplayer · Shooter · Action

Mafia II (Classic)
Shared: Action · Singleplayer · Shooter

Hitman: Absolution
Shared: Action · Singleplayer · Third-Person Shooter

Watch_Dogs™
Shared: Action · Third Person · Third-Person Shooter

Ghost of Tsushima DIRECTOR'S CUT
Shared: Action · Singleplayer · Combat