Games like Scourge: Outbreak
Games like Scourge: Outbreak include HELLDIVERS™ 2, Warhammer 40,000: Space Marine 2, STAR WARS™ Battlefront™ II, Grand Theft Auto V Legacy, and Warhammer 40,000: Space Marine - Anniversary Edition. We matched them by the tags players give Scourge: Outbreak on Steam (Action, Third-Person Shooter, Indie, Sci-fi, and Shooter): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: Third-Person Shooter · Action · Shooter

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

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

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Shooter

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

Risk of Rain 2
Shared: Third-Person Shooter · Co-op · Action

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Third-Person Shooter · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Third-Person Shooter · Action

Gears 5
Shared: Action · Third-Person Shooter · Co-op

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

Gears of War: E-Day
Shared: Action · Third-Person Shooter · Shooter

Tom Clancy's Ghost Recon® Wildlands
Shared: Shooter · Co-op · Action

OUTRIDERS
Shared: Third-Person Shooter · Action · Co-op

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

ARC Raiders
Shared: Third-Person Shooter · Multiplayer · Shooter

Resident Evil 3
Shared: Action · Multiplayer · Female Protagonist

Tom Clancy’s The Division™
Shared: Third-Person Shooter · Action · Co-op

Resident Evil 5
Shared: Action · Co-op · Third-Person Shooter

Sniper Elite 4
Shared: Action · Shooter · Multiplayer

Warframe
Shared: Third-Person Shooter · Action · Third Person

Tom Clancy’s Splinter Cell Blacklist
Shared: Action · Co-op · Third Person

Tom Clancy's Ghost Recon® Breakpoint
Shared: Shooter · Co-op · Action

Resident Evil 6
Shared: Action · Third-Person Shooter · Co-op

Red Dead Redemption 2
Shared: Action · Multiplayer · Shooter