Games like Bopp File
Games like Bopp File include MiSide, Poppy Playtime, Layers of Fear (2016), SOMA, and Amanda the Adventurer. We matched them by the tags players give Bopp File on Steam (Horror, Psychological Horror, First-Person, 1990's, and Demons): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Psychological Horror · Horror · First-Person

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

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

SOMA
Shared: Horror · Psychological Horror · Story Rich

Amanda the Adventurer
Shared: Horror · First-Person · 1990's

Little Nightmares II
Shared: Horror · Adventure · Psychological Horror

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

Sally Face - Episode One
Shared: Psychological Horror · Horror · Story Rich

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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

The Exit 8
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares
Shared: Horror · Adventure · Puzzle

Outlast
Shared: Horror · First-Person · Psychological Horror

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · First-Person

Outer Wilds
Shared: Adventure · Story Rich · Puzzle

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

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

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

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

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Singleplayer

What Remains of Edith Finch
Shared: First-Person · Story Rich · Adventure

In Sound Mind
Shared: Horror · Psychological Horror · Puzzle

Amnesia: Rebirth
Shared: First-Person · Horror · Puzzle