Games like Nested Rooms
Games like Nested Rooms include Antichamber, The Witness, Moncage, Superliminal, and Viewfinder. We matched them by the tags players give Nested Rooms on Steam (Puzzle, Surreal, Exploration, Casual, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Antichamber
Shared: Puzzle · Surreal · Exploration

The Witness
Shared: Puzzle · Exploration · Singleplayer

Moncage
Shared: Puzzle · Casual · Surreal

Superliminal
Shared: Puzzle · Surreal · First-Person

Viewfinder
Shared: Puzzle · Surreal · Singleplayer

FEZ
Shared: Puzzle · Exploration · Indie

The Unfinished Swan
Shared: Puzzle · Exploration · Surreal

Manifold Garden
Shared: Puzzle · Surreal · Exploration

Obduction
Shared: Puzzle · Exploration · Surreal

Blue Prince
Shared: Puzzle · Exploration · Singleplayer

Slime Rancher
Shared: Exploration · Singleplayer · First-Person

The Exit 8
Shared: Puzzle · Exploration · Surreal

FAR: Lone Sails
Shared: Exploration · Singleplayer · Puzzle

The Talos Principle
Shared: Puzzle · First-Person · Singleplayer

Riven
Shared: Puzzle · Exploration · Singleplayer

Kairo
Shared: Puzzle · Exploration · Surreal

NaissanceE
Shared: Exploration · Surreal · Indie

Gorogoa
Shared: Puzzle · Singleplayer · Casual

Jazzpunk: Director's Cut
Shared: Surreal · Exploration · Indie

Poppy Playtime
Shared: Puzzle · Singleplayer · First-Person

Portal 2
Shared: Puzzle · Singleplayer · First-Person

Lingo
Shared: Puzzle · Exploration · Surreal

Call of the Sea
Shared: Puzzle · First-Person · Exploration

Outer Wilds
Shared: Exploration · Puzzle · Singleplayer