Games like Little Nightmares
Games like Little Nightmares include Little Nightmares II, INSIDE, LIMBO, Poppy Playtime, and Sally Face - Episode One. We matched them by the tags players give Little Nightmares on Steam (Horror, Atmospheric, Adventure, Singleplayer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Little Nightmares II
Shared: Horror · Adventure · Singleplayer

INSIDE
Shared: Atmospheric · Horror · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Atmospheric · Puzzle

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

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

A Plague Tale: Innocence
Shared: Adventure · Atmospheric · Story Rich

Outlast
Shared: Horror · Atmospheric · Singleplayer

Seen
Shared: Adventure · Singleplayer · Atmospheric

DARQ: Complete Edition
Shared: Horror · Adventure · Atmospheric

SOMA
Shared: Horror · Atmospheric · Dark

Fran Bow
Shared: Horror · Adventure · Puzzle

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

Detention
Shared: Horror · Atmospheric · Adventure

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

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Singleplayer · Horror

Little Nightmares III
Shared: Horror · Adventure · Atmospheric

GRIS
Shared: Atmospheric · Adventure · Indie

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

The Medium
Shared: Horror · Adventure · Atmospheric

What Remains of Edith Finch
Shared: Atmospheric · Adventure · Story Rich

Penumbra Overture
Shared: Horror · Adventure · Atmospheric

SILENT HILL 2
Shared: Horror · Atmospheric · Story Rich

FAR: Lone Sails
Shared: Atmospheric · Adventure · Singleplayer

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