Games like Inky's Sleep
Games like Inky's Sleep include Stray, LIMBO, Little Nightmares, Little Nightmares II, and Poppy Playtime. We matched them by the tags players give Inky's Sleep on Steam (Adventure, Atmospheric, Indie, Horror, and Cats): closest matches first, and among equally close ones the better-known games.

Stray
Shared: Adventure · Atmospheric · Cats

LIMBO
Shared: Indie · Atmospheric · Adventure

Little Nightmares
Shared: Atmospheric · Adventure · Horror

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

Firework
Shared: Indie · Horror · Atmospheric

INSIDE
Shared: Atmospheric · Horror · Indie

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

The Room
Shared: Atmospheric · Adventure · Puzzle

Seen
Shared: Indie · Adventure · Atmospheric

DARQ: Complete Edition
Shared: Adventure · Horror · Atmospheric

Rusty Lake Paradise
Shared: Adventure · Indie · Atmospheric

The Room Two
Shared: Atmospheric · Adventure · Puzzle

OneShot
Shared: Indie · Atmospheric · Adventure

DISTRAINT: Deluxe Edition
Shared: Indie · Horror · Adventure

The Last Campfire
Shared: Adventure · Indie · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · Singleplayer

The Room Three
Shared: Adventure · Indie · Atmospheric

ANIMAL WELL
Shared: Horror · Puzzle · Atmospheric

Outer Wilds
Shared: Adventure · Atmospheric · Indie

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

Among the Sleep - Enhanced Edition
Shared: Atmospheric · Indie · Adventure

Outlast
Shared: Horror · Atmospheric · Singleplayer

Ori and the Will of the Wisps
Shared: Adventure · Atmospheric · Singleplayer