Games like Qu Adra
Games like Qu Adra include Mouthwashing, No, I'm not a Human, Firework, DISTRAINT: Deluxe Edition, and Outlast. We matched them by the tags players give Qu Adra on Steam (Casual, Horror, Psychological Horror, Atmospheric, and Psychological): closest matches first, and among equally close ones the better-known games.

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

Firework
Shared: Horror · Psychological Horror · Atmospheric

DISTRAINT: Deluxe Edition
Shared: Horror · Psychological Horror · Atmospheric

Outlast
Shared: Horror · Atmospheric · Psychological Horror

Fran Bow
Shared: Psychological Horror · Horror · Atmospheric

SILENT HILL 2
Shared: Horror · Psychological Horror · Atmospheric

SOMA
Shared: Horror · Psychological Horror · Atmospheric

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

Outlast 2
Shared: Horror · Psychological Horror · Atmospheric

Resident Evil 7 Biohazard
Shared: Horror · Atmospheric · Psychological Horror

Little Nightmares
Shared: Horror · Atmospheric · Singleplayer

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

Tiny Bunny
Shared: Horror · Atmospheric · Psychological Horror

Little Nightmares II
Shared: Horror · Atmospheric · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Singleplayer

[Chillas Art] The Convenience Store
Shared: Horror · Psychological Horror · Casual

Layers of Fear 2 (2019)
Shared: Horror · Psychological Horror · Atmospheric

Neverending Nightmares
Shared: Horror · Psychological Horror · Atmospheric

DISTRAINT 2
Shared: Horror · Psychological Horror · Atmospheric

Duck Season PC
Shared: Horror · Casual · Psychological Horror

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

Lobotomy Corporation | Monster Management Simulation
Shared: Psychological Horror · Horror · Singleplayer