Games like Paragnosia
Games like Paragnosia include The Room Two, MiSide, Outlast, The Room, and Little Nightmares II. We matched them by the tags players give Paragnosia on Steam (Psychological Horror, Hidden Object, Atmospheric, Horror, and Stealth): closest matches first, and among equally close ones the better-known games.

The Room Two
Shared: Atmospheric · Hidden Object · Puzzle

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Outlast
Shared: Horror · Psychological Horror · Atmospheric

The Room
Shared: Atmospheric · Puzzle · Hidden Object

Little Nightmares II
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares
Shared: Atmospheric · Horror · Puzzle

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

The Room Three
Shared: Puzzle · Atmospheric · Hidden Object

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

Backrooms: Escape Together
Shared: Psychological Horror · Horror · Atmospheric

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

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Atmospheric

Platform 8
Shared: Psychological Horror · Hidden Object · Puzzle

Rusty Lake Paradise
Shared: Psychological Horror · Puzzle · Horror

The Death | Thần Trùng
Shared: Psychological Horror · Horror · Puzzle

The Outlast Trials
Shared: Horror · Psychological Horror · First-Person

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

Granny: Escape Together
Shared: Horror · Atmospheric · Hidden Object

Detention
Shared: Psychological Horror · Horror · Atmospheric

SchoolBoy Runaway
Shared: Puzzle · Horror · Stealth