Games like Nyctophobia
Games like Nyctophobia include Little Nightmares II, Little Nightmares, Poppy Playtime, LIMBO, and Sally Face - Episode One. We matched them by the tags players give Nyctophobia on Steam (Adventure, Puzzle, 3D, 1990's, and Dark): closest matches first, and among equally close ones the better-known games.

Little Nightmares II
Shared: Adventure · Puzzle · Horror

Little Nightmares
Shared: Adventure · Horror · Puzzle

Poppy Playtime
Shared: Puzzle · Horror · Singleplayer

LIMBO
Shared: Puzzle · Adventure · Dark

Sally Face - Episode One
Shared: Puzzle · Adventure · Dark

Buckshot Roulette
Shared: Dark · Horror · 3D

The Room Three
Shared: Puzzle · Adventure · Indie

INSIDE
Shared: Dark · Horror · Adventure

Fran Bow
Shared: Puzzle · Adventure · Horror

Bendy and the Ink Machine
Shared: Puzzle · Horror · Singleplayer

The Room
Shared: Puzzle · Adventure · Singleplayer

Garten of Banban
Shared: Horror · Puzzle · Singleplayer

Bendy and the Dark Revival
Shared: Adventure · Horror · Singleplayer

The Room Two
Shared: Puzzle · Adventure · Horror

Seen
Shared: Adventure · Puzzle · Dark

DARQ: Complete Edition
Shared: Adventure · Puzzle · Dark

Amanda the Adventurer
Shared: Puzzle · Horror · 1990's

Inside the Backrooms
Shared: Puzzle · Horror · Adventure

Lucius
Shared: Adventure · Horror · Puzzle

Garten of Banban 2
Shared: Puzzle · Horror · Singleplayer

Stray
Shared: Adventure · Singleplayer · Puzzle

Rusty Lake Paradise
Shared: Puzzle · Adventure · Indie

The Last Campfire
Shared: Adventure · Puzzle · Singleplayer

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer