Games like Ambushed
Games like Ambushed include Lethal Company, Phasmophobia, Escape the Backrooms, Pacify, and Backrooms: Escape Together. We matched them by the tags players give Ambushed on Steam (Horror, Online Co-Op, Psychological Horror, Survival Horror, and First-Person): closest matches first, and among equally close ones the better-known games.

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

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

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

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

Backrooms: Escape Together
Shared: Horror · Online Co-Op · Psychological Horror

Inside the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

Poppy Playtime
Shared: Horror · First-Person · Survival Horror

DEVOUR
Shared: Horror · Online Co-Op · Survival Horror

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

Demonologist
Shared: Horror · Online Co-Op · Psychological Horror

Nuclear Nightmare
Shared: Online Co-Op · Horror · Survival Horror

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

Dying Light
Shared: Horror · Online Co-Op · Survival Horror

Outlast
Shared: Horror · Survival Horror · First-Person

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · First-Person

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

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

The Outlast Trials
Shared: Horror · Survival Horror · Psychological Horror

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Survival Horror

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Bendy and the Ink Machine
Shared: Horror · First-Person · Survival Horror

Species: Unknown
Shared: Horror · Online Co-Op · First-Person

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Emissary Zero
Shared: Horror · Online Co-Op · Psychological Horror