Games like IMHA
Games like IMHA include Left 4 Dead 2, DOOM Eternal, DOOM, Killing Floor 2, and Resident Evil Village. We matched them by the tags players give IMHA on Steam (FPS, Zombies, Gore, Demons, and Shooter): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: Zombies · FPS · Shooter

DOOM Eternal
Shared: FPS · Gore · Action

DOOM
Shared: FPS · Gore · Shooter

Killing Floor 2
Shared: Zombies · Gore · FPS

Resident Evil Village
Shared: Zombies · First-Person · Action

Back 4 Blood
Shared: Zombies · FPS · Gore

Dying Light
Shared: Zombies · Survival Horror · Gore

Resident Evil Requiem
Shared: Zombies · FPS · Action

Resident Evil 7 Biohazard
Shared: Gore · First-Person · Zombies

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

Killing Floor
Shared: FPS · Zombies · Action

METRO 2033 Redux
Shared: FPS · Action · Post-apocalyptic

DOOM: The Dark Ages
Shared: FPS · Demons · Action

DOOM 3
Shared: FPS · Action · Gore

DOOM 3
Shared: FPS · Shooter · Action

Trepang2
Shared: FPS · Shooter · Gore

Resident Evil 2
Shared: Zombies · Gore · Survival Horror

Metro Exodus
Shared: FPS · Action · Post-apocalyptic

Call of Duty®
Shared: FPS · Shooter · Action

Left 4 Dead
Shared: Zombies · FPS · Action

METRO Last Light Redux
Shared: FPS · Action · Post-apocalyptic

Black Mesa
Shared: FPS · Action · Shooter

GTFO
Shared: FPS · Shooter · Horror

Pavlov
Shared: FPS · Shooter · Zombies