Games like Just Another Night
Games like Just Another Night include Mouthwashing, SOMA, Outlast 2, MiSide, and Outlast. We matched them by the tags players give Just Another Night on Steam (Horror, Psychological Horror, Retro, Action, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Mouthwashing
Shared: Horror · Psychological Horror · Retro

SOMA
Shared: Horror · Psychological Horror · Dark

Outlast 2
Shared: Horror · Psychological Horror · Dark

MiSide
Shared: Psychological Horror · Horror · Story Rich

Outlast
Shared: Horror · Psychological Horror · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · Walking Simulator

Phasmophobia
Shared: Horror · Psychological Horror · Dark

Fears to Fathom - Norwood Hitchhike
Shared: Horror · Psychological Horror · Retro

Summer of '58
Shared: Horror · Psychological Horror · Walking Simulator

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

Resident Evil Village
Shared: Horror · Action · First-Person

Buckshot Roulette
Shared: Horror · Dark · Psychological Horror

KinitoPET
Shared: Horror · Psychological Horror · Retro

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

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

Kiosk
Shared: Horror · Psychological Horror · Immersive Sim

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Walking Simulator

The Cabin Factory
Shared: Horror · Psychological Horror · Immersive Sim

Resident Evil 4
Shared: Horror · Action · Dark

The Outlast Trials
Shared: Horror · Psychological Horror · Action

FAITH: The Unholy Trinity
Shared: Horror · Psychological Horror · Retro

Welcome to Kowloon
Shared: Horror · Psychological Horror · Walking Simulator

The Evil Within 2
Shared: Horror · Psychological Horror · Action

Visage
Shared: Horror · Psychological Horror · Dark