Games like Kaet Must Die!
Games like Kaet Must Die! include Resident Evil 2, Dying Light, Resident Evil 7 Biohazard, The Walking Dead: Saints & Sinners, and Daymare: 1998. We matched them by the tags players give Kaet Must Die! on Steam (Indie, Gore, Violent, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

Resident Evil 2
Shared: Zombies · Gore · Horror

Dying Light
Shared: Zombies · Horror · Gore

Resident Evil 7 Biohazard
Shared: Gore · Horror · Survival Horror

The Walking Dead: Saints & Sinners
Shared: Gore · Action · Zombies

Daymare: 1998
Shared: Action · Indie · Zombies

Resident Evil 4
Shared: Action · Horror · Zombies

Dead by Daylight
Shared: Gore · Horror · Violent

Resident Evil Village
Shared: Action · Gore · Horror

The Forest
Shared: Survival · Adventure · Horror

Left 4 Dead 2
Shared: Zombies · Action · Gore

CARRION
Shared: Gore · Indie · Action

Resident Evil 3
Shared: Action · Zombies · Horror

Outlast
Shared: Gore · Horror · Survival Horror

Resident Evil 4 (2005)
Shared: Action · Zombies · Survival Horror

Resident Evil Revelations 2
Shared: Zombies · Action · Horror

The Beast Inside
Shared: Adventure · Horror · Action

Killing Floor
Shared: Zombies · Action · Survival

Nightmare of Decay
Shared: Action · Horror · Indie

Back 4 Blood
Shared: Gore · Zombies · Action

Resident Evil 0
Shared: Zombies · Adventure · Horror

Outlast 2
Shared: Gore · Horror · Violent

The Evil Within 2
Shared: Gore · Horror · Action

Arizona Sunshine® VR Legacy
Shared: Action · Zombies · Survival

Granny
Shared: Indie · Horror · Survival Horror