Games like Unexpected Circumstances
Games like Unexpected Circumstances include Chained Together, FEZ, Spirit of the North, LIMBO, and Murders on the Yangtze River. We matched them by the tags players give Unexpected Circumstances on Steam (Casual, Indie, Adventure, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Adventure · Casual · Platformer

FEZ
Shared: Indie · Puzzle · Platformer

Spirit of the North
Shared: Adventure · Casual · Puzzle

LIMBO
Shared: Indie · Puzzle · Puzzle Platformer

Murders on the Yangtze River
Shared: Adventure · Puzzle · Indie

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Firewatch
Shared: Adventure · Walking Simulator · Indie

The Unfinished Swan
Shared: Adventure · Indie · Puzzle

Little Nightmares
Shared: Adventure · Indie · Puzzle Platformer

Nihilumbra
Shared: Indie · Adventure · Casual

The Talos Principle 2
Shared: Puzzle · Puzzle Platformer · Walking Simulator

Pikuniku
Shared: Indie · Casual · Adventure

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Exploration

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Indie

Contrast
Shared: Indie · Adventure · Puzzle

A Story About My Uncle
Shared: Adventure · Indie · Platformer

Moncage
Shared: Casual · Indie · Puzzle

FAR: Lone Sails
Shared: Adventure · Indie · Puzzle

GRIS
Shared: Indie · Adventure · Platformer

COCOON
Shared: Adventure · Indie · Puzzle

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Monument Valley
Shared: Puzzle · Adventure · Casual

Shady Part of Me
Shared: Indie · Puzzle · Adventure

Obduction
Shared: Adventure · Indie · Puzzle