Games like The Gallery
Games like The Gallery include The Witness, The Exit 8, The House of Da Vinci, Sizeable, and Riven. We matched them by the tags players give The Gallery on Steam (Exploration, FPS, Hidden Object, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

The Witness
Shared: Exploration · Puzzle · First-Person

The Exit 8
Shared: Exploration · Puzzle · Walking Simulator

The House of Da Vinci
Shared: Hidden Object · Puzzle · Exploration

Sizeable
Shared: Hidden Object · Puzzle · Exploration

Riven
Shared: Exploration · Puzzle · First-Person

Dear Esther: Landmark Edition
Shared: Exploration · Walking Simulator · Puzzle

Big Walk
Shared: Exploration · Puzzle · First-Person

Quern - Undying Thoughts
Shared: Puzzle · Exploration · Walking Simulator

The Artisan of Glimmith
Shared: Puzzle · Exploration · Casual

What Remains of Edith Finch
Shared: Exploration · Walking Simulator · First-Person

Botany Manor
Shared: Exploration · Puzzle · Walking Simulator

Scanner Sombre
Shared: Exploration · Walking Simulator · First-Person

The Room 4: Old Sins
Shared: Puzzle · Hidden Object · Exploration

The Painscreek Killings
Shared: Exploration · Puzzle · Detective

Kona
Shared: Exploration · First-Person · Walking Simulator

Spirit of the North
Shared: Exploration · Puzzle · Walking Simulator

Firewatch
Shared: Walking Simulator · Exploration · First-Person

35MM
Shared: FPS · Hidden Object · Walking Simulator

Monument Valley
Shared: Puzzle · Exploration · Relaxing

Discolored
Shared: Exploration · Puzzle · Walking Simulator

The Talos Principle 2
Shared: Puzzle · Exploration · First-Person

The Vanishing of Ethan Carter
Shared: Exploration · Walking Simulator · Detective

The Gardens Between
Shared: Hidden Object · Puzzle · Walking Simulator

Maize
Shared: Exploration · Hidden Object · Puzzle