Games like Infestation: Origins
Games like Infestation: Origins include Lethal Company, KLETKA, Zort, R.E.P.O., and Dying Light. We matched them by the tags players give Infestation: Origins on Steam (Horror, Action, Online Co-Op, PvE, and First-Person): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · Online Co-Op · First-Person

KLETKA
Shared: Horror · Online Co-Op · Action

Zort
Shared: Horror · Online Co-Op · Co-op

R.E.P.O.
Shared: Horror · Online Co-Op · Co-op

Dying Light
Shared: Horror · Online Co-Op · First-Person

Phasmophobia
Shared: Horror · Online Co-Op · Co-op

The Outlast Trials
Shared: Horror · Co-op · First-Person

Escape the Backrooms
Shared: Horror · Online Co-Op · Co-op

Left 4 Dead 2
Shared: Co-op · Online Co-Op · Action

HELLDIVERS™ 2
Shared: Online Co-Op · PvE · Action

Dead by Daylight
Shared: Horror · Online Co-Op · Co-op

Pacify
Shared: Horror · Online Co-Op · Co-op

GTFO
Shared: Horror · Online Co-Op · Co-op

PAYDAY 2
Shared: Action · Co-op · Online Co-Op

The Headliners
Shared: Horror · Online Co-Op · Action

Nuclear Nightmare
Shared: Horror · Online Co-Op · First-Person

Back 4 Blood
Shared: Online Co-Op · Action · Horror

Starship Troopers: Extermination
Shared: Action · Online Co-Op · First-Person

Labyrinthine
Shared: Horror · Online Co-Op · Co-op

Left 4 Dead
Shared: Action · Horror · Co-op

PANICORE
Shared: Horror · Online Co-Op · Co-op

Content Warning
Shared: Horror · Online Co-Op · Co-op

BIGFOOT
Shared: Horror · Online Co-Op · Co-op

Resident Evil 5
Shared: Action · Horror · Co-op