Games like Flight 882 - The Confidential Case File
Games like Flight 882 - The Confidential Case File include Outlast, Poppy Playtime, Fears to Fathom - Ironbark Lookout, MiSide, and No, I'm not a Human. We matched them by the tags players give Flight 882 - The Confidential Case File on Steam (Psychological Horror, Horror, First-Person, Singleplayer, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · First-Person · Psychological Horror

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Horror · Atmospheric

MiSide
Shared: Psychological Horror · Horror · First-Person

No, I'm not a Human
Shared: Psychological Horror · Horror · Singleplayer

Mouthwashing
Shared: Psychological Horror · Horror · Atmospheric

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

Outlast 2
Shared: Psychological Horror · Horror · First-Person

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

Layers of Fear (2016)
Shared: Psychological Horror · Horror · First-Person

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · First-Person

Subliminal
Shared: Psychological Horror · Singleplayer · Atmospheric

Firewatch
Shared: Atmospheric · First-Person · Singleplayer

Amnesia: A Machine For Pigs
Shared: Horror · Psychological Horror · First-Person

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

Lethal Company
Shared: Horror · First-Person · Psychological Horror

The Park®
Shared: Psychological Horror · Horror · First-Person

What Remains of Edith Finch
Shared: Atmospheric · First-Person · Singleplayer

Visage
Shared: Psychological Horror · Horror · First-Person

Backrooms: Escape Together
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Horror · Singleplayer · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Horror · Atmospheric

Still Wakes the Deep
Shared: Psychological Horror · Horror · First-Person