Games like Darwin's Test
Games like Darwin's Test include Human Fall Flat, Pikuniku, Deliver Us The Moon, Seen, and There Is No Game: Wrong Dimension. We matched them by the tags players give Darwin's Test on Steam (Indie, Adventure, Action, and Puzzle): closest matches first, and among equally close ones the better-known games.

Human Fall Flat
Shared: Puzzle · Adventure · Action

Pikuniku
Shared: Indie · Adventure · Puzzle

Deliver Us The Moon
Shared: Indie · Adventure · Action

Seen
Shared: Indie · Adventure · Puzzle

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

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Puzzle

Chants of Sennaar
Shared: Adventure · Indie · Puzzle

LIMBO
Shared: Indie · Puzzle · Adventure

Rise of the Tomb Raider™
Shared: Adventure · Action · Puzzle

Paper Dolls: Original /
Shared: Adventure · Action · Indie

Tomb Raider Game of the Year
Shared: Adventure · Action · Puzzle

The Wind Road
Shared: Action · Adventure · Indie

BEEP
Shared: Indie · Adventure · Puzzle

Out There Somewhere
Shared: Indie · Adventure · Puzzle

Polarity
Shared: Indie · Puzzle · Adventure

Hob
Shared: Adventure · Action · Indie

The Last Campfire
Shared: Adventure · Puzzle · Indie

Bendy and the Dark Revival
Shared: Action · Adventure · Indie

BADLAND: Game of the Year Edition
Shared: Indie · Adventure · Action

Figment
Shared: Indie · Adventure · Action

The Fall
Shared: Adventure · Indie · Puzzle

Samsara Room
Shared: Indie · Adventure · Puzzle

Planet of Lana
Shared: Action · Puzzle · Adventure

Lorelei and the Laser Eyes
Shared: Adventure · Puzzle · Action