Games like Lucid Nina
Games like Lucid Nina include Tales of the Black Forest, Little Nightmares, The Witcher 3: Wild Hunt — Remastered, Look Outside, and OMORI. We matched them by the tags players give Lucid Nina on Steam (Adventure, RPG, Indie, Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Tales of the Black Forest
Shared: RPG · Adventure · Indie

Little Nightmares
Shared: Adventure · Horror · Atmospheric

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Atmospheric

Look Outside
Shared: RPG · Horror · Adventure

OMORI
Shared: Indie · RPG · Horror

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · Indie

Darkwood
Shared: Adventure · Horror · RPG

Stray
Shared: Adventure · Atmospheric · Horror

INSIDE
Shared: Atmospheric · Horror · Indie

Detention
Shared: Indie · Horror · Adventure

Stygian: Reign of the Old Ones
Shared: RPG · Indie · Horror

Sally Face - Episode One
Shared: Indie · Horror · Adventure

Notes of Soul
Shared: Horror · Adventure · Indie

LIMBO
Shared: Indie · Adventure · Atmospheric

The Witch's House MV
Shared: Horror · Indie · RPG

Outlast
Shared: Horror · Atmospheric · Adventure

Firework
Shared: Indie · Horror · Atmospheric

Hyper Light Drifter
Shared: Adventure · Indie · Atmospheric

Don't Starve Together
Shared: Adventure · Indie · RPG

Observation
Shared: Adventure · Indie · Horror

Blair Witch
Shared: Adventure · Horror · Indie

Welcome to Elderfield
Shared: RPG · Adventure · Horror

DreadOut
Shared: Adventure · Indie · Horror