Games like Catyph: The Kunci Experiment
Games like Catyph: The Kunci Experiment include Outer Wilds, Firewatch, The Talos Principle, The Room, and Deliver Us The Moon. We matched them by the tags players give Catyph: The Kunci Experiment on Steam (Adventure, Indie, Point & Click, Exploration, and First-Person): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Adventure · Space

Firewatch
Shared: Adventure · First-Person · Exploration

The Talos Principle
Shared: First-Person · Sci-fi · Puzzle

The Room
Shared: Point & Click · Adventure · Indie

Deliver Us The Moon
Shared: Adventure · Indie · Sci-fi

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

The Room 4: Old Sins
Shared: Adventure · Point & Click · Puzzle

Chants of Sennaar
Shared: Adventure · Indie · Point & Click

Fallout 4
Shared: Adventure · Exploration · Singleplayer

No Man's Sky
Shared: Exploration · Space · Adventure

Starfield
Shared: Singleplayer · Space · Exploration

The Room Three
Shared: Adventure · Point & Click · Indie

The Room Two
Shared: Point & Click · Adventure · Indie

The House of Da Vinci
Shared: Point & Click · Exploration · Adventure

The Witness
Shared: Exploration · First-Person · Indie

Stray
Shared: Adventure · Exploration · Singleplayer

Blue Prince
Shared: Exploration · Indie · Singleplayer

Return of the Obra Dinn
Shared: Indie · Singleplayer · Story Rich

A Story About My Uncle
Shared: Adventure · Indie · First-Person

Valley
Shared: Adventure · Exploration · First-Person

In Other Waters
Shared: Adventure · Indie · Exploration

Obduction
Shared: Adventure · Indie · Exploration

Antichamber
Shared: Indie · First-Person · Exploration

Twelve Minutes
Shared: Adventure · Indie · Point & Click