Games like HARBINGER - Legacy Edition
Games like HARBINGER - Legacy Edition include Ready or Not, Half-Life 2, METRO 2033 Redux, Black Mesa, and Atomic Heart. We matched them by the tags players give HARBINGER - Legacy Edition on Steam (Action, Adventure, Horror, FPS, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Ready or Not
Shared: FPS · Shooter · Horror

Half-Life 2
Shared: Action · FPS · Adventure

METRO 2033 Redux
Shared: FPS · Action · Horror

Black Mesa
Shared: Action · FPS · Atmospheric

Atomic Heart
Shared: Adventure · Action · FPS

METRO Last Light Redux
Shared: Action · FPS · Atmospheric

BioShock Infinite
Shared: Action · FPS · Shooter

Resident Evil Requiem
Shared: Horror · Action · FPS

Left 4 Dead 2
Shared: FPS · Action · Shooter

Serious Sam: Siberian Mayhem
Shared: Action · Adventure · Atmospheric

Half-Life: Alyx
Shared: FPS · Horror · Action

Metro Exodus
Shared: FPS · Action · Atmospheric

Far Cry® 6
Shared: FPS · Action · Adventure

BioShock™
Shared: Action · FPS · Atmospheric

PUBG: BATTLEGROUNDS
Shared: FPS · Shooter · Action

DOOM
Shared: Action · FPS · Shooter

BioShock™ Remastered
Shared: FPS · Horror · Atmospheric

VLADiK BRUTAL
Shared: Action · FPS · Adventure

Left 4 Dead
Shared: Action · FPS · Horror

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

Far Cry 3
Shared: Action · Adventure · FPS

Choo-Choo Charles
Shared: Horror · Shooter · Adventure

Call of Duty®: Black Ops III
Shared: Action · FPS · Shooter

Paper Dolls 2
Shared: Horror · FPS · Adventure