Games like Shuffled Nightmares
Games like Shuffled Nightmares include Moncage, Antichamber, Garten of Banban, Bendy and the Ink Machine, and COCOON. We matched them by the tags players give Shuffled Nightmares on Steam (Indie, Puzzle, 3D, Cartoony, and Abstract): closest matches first, and among equally close ones the better-known games.

Moncage
Shared: Puzzle · Indie · Abstract

Antichamber
Shared: Puzzle · Indie · Abstract

Garten of Banban
Shared: Puzzle · Cartoony · 3D

Bendy and the Ink Machine
Shared: Puzzle · Cartoony · Indie

COCOON
Shared: Puzzle · Indie · 3D

Garten of Banban 2
Shared: Puzzle · Cartoony · 3D

Kairo
Shared: Puzzle · Indie · Abstract

Metel - Horror Escape
Shared: Indie · Puzzle · 3D

Donut County
Shared: Indie · Puzzle · 3D

Hook
Shared: Puzzle · Abstract · Indie

We Were Here Forever
Shared: Puzzle · 3D · Indie

There Is No Game: Wrong Dimension
Shared: Indie · Puzzle

Garten of Banban 3
Shared: Puzzle · Cartoony · 3D

Firework
Shared: Indie · Puzzle

LIMBO
Shared: Indie · Puzzle

Gorogoa
Shared: Puzzle · Indie · Cartoony

Patrick's Parabox
Shared: Puzzle · Indie · Abstract

Sudoku Universe / 数独宇宙
Shared: Indie · Puzzle · Abstract

Baba Is You
Shared: Indie · Puzzle

The Last Campfire
Shared: Puzzle · Indie · 3D

Sizeable
Shared: Puzzle · Indie · 3D

Chants of Sennaar
Shared: Puzzle · Indie

NaissanceE
Shared: Indie · Abstract · Puzzle

The Room Three
Shared: Puzzle · Indie · 3D