Games like Impostor Inside Us
Games like Impostor Inside Us include Resident Evil 4, Bendy and the Dark Revival, Resident Evil Village, The Forest, and Dead by Daylight. We matched them by the tags players give Impostor Inside Us on Steam (Casual, Action, Horror, Survival Horror, and Indie): closest matches first, and among equally close ones the better-known games.

Resident Evil 4
Shared: Action · Horror · Survival Horror

Bendy and the Dark Revival
Shared: Horror · Action · Survival Horror

Resident Evil Village
Shared: Horror · Survival Horror · Action

The Forest
Shared: Horror · Survival · Survival Horror

Dead by Daylight
Shared: Horror · Survival Horror · Survival

Outlast
Shared: Horror · Survival Horror · Survival

Poppy Playtime
Shared: Horror · Survival Horror · Singleplayer

Bendy and the Ink Machine
Shared: Horror · Survival Horror · Singleplayer

Dark Deception: Monsters & Mortals
Shared: Horror · Action · Indie

Barotrauma
Shared: Survival Horror · Horror · Survival

Ultimate Custom Night
Shared: Horror · Survival Horror · Singleplayer

Resident Evil 3
Shared: Action · Horror · Survival Horror

Blood and Bacon
Shared: Action · Horror · Funny

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: Horror · Survival Horror · Action

Dead Space™ 2
Shared: Horror · Survival Horror · Action

Resident Evil 2
Shared: Horror · Survival Horror · Action

Alien: Isolation
Shared: Horror · Survival Horror · Sci-fi

Lethal Company
Shared: Horror · Survival Horror · Funny

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Singleplayer

Dying Light
Shared: Horror · Survival Horror · Action

Getting Over It with Bennett Foddy
Shared: Horror · Singleplayer · Casual

Gang Beasts
Shared: Action · Casual · Funny

Dead Space (2008)
Shared: Horror · Action · Survival Horror

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

