Games like The DeadLine
Games like The DeadLine include Left 4 Dead 2, Resident Evil Requiem, Dying Light, Resident Evil Village, and Left 4 Dead. We matched them by the tags players give The DeadLine on Steam (FPS, Zombies, Horror, Old School, and Action): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: Zombies · FPS · Shooter

Resident Evil Requiem
Shared: Zombies · Horror · FPS

Dying Light
Shared: Zombies · Horror · Survival Horror

Resident Evil Village
Shared: Horror · Zombies · Survival Horror

Left 4 Dead
Shared: Zombies · FPS · Horror

Back 4 Blood
Shared: Zombies · FPS · Shooter

Killing Floor 2
Shared: Zombies · FPS · Horror

METRO 2033 Redux
Shared: FPS · Horror · Action

Killing Floor 3
Shared: FPS · Zombies · Horror

METRO Last Light Redux
Shared: FPS · Action · Horror

Killing Floor
Shared: FPS · Zombies · Horror

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

DayZ
Shared: Zombies · FPS · Shooter

Resident Evil 4
Shared: Horror · Action · Zombies

Metro Exodus
Shared: FPS · Horror · Action

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

World War Z
Shared: Zombies · Action · Shooter

Contagion
Shared: Zombies · FPS · Horror

Ready or Not
Shared: FPS · Shooter · Horror

Resident Evil 2
Shared: Zombies · Horror · Survival Horror

Black Mesa
Shared: FPS · Action · Shooter

Half-Life 2
Shared: FPS · Action · Shooter

GTFO
Shared: FPS · Horror · Shooter

DOOM
Shared: FPS · Action · Shooter