Games like .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest
Games like .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest include Deliver Us The Moon, The Talos Principle, Antichamber, SUPERHOT, and Portal. We matched them by the tags players give .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest on Steam (Puzzle, Indie, Sci-fi, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

Deliver Us The Moon
Shared: Indie · Adventure · Action

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

Antichamber
Shared: Puzzle · Indie · Surreal

SUPERHOT
Shared: Action · Indie · Time Manipulation

Portal
Shared: Puzzle · Sci-fi · First-Person

Outer Wilds
Shared: Puzzle · Adventure · Indie

Polarity
Shared: Puzzle · Indie · Adventure

Half-Life 2
Shared: Sci-fi · Action · Adventure

Atomic Heart
Shared: Adventure · Action · Puzzle

Portal 2
Shared: Puzzle · Singleplayer · First-Person

Q.U.B.E. 2
Shared: Indie · Puzzle · Action

Stray
Shared: Adventure · Puzzle · Singleplayer

Superliminal
Shared: Puzzle · Surreal · First-Person

The Witness
Shared: Puzzle · Indie · First-Person

Seen
Shared: Indie · Puzzle · Adventure

Thief Simulator
Shared: Simulation · Adventure · Indie

BONEWORKS
Shared: Action · Puzzle · Adventure

Valley
Shared: Adventure · Indie · Action

Obduction
Shared: Puzzle · Indie · Adventure

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

Black Mesa
Shared: Sci-fi · Action · First-Person

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

Chants of Sennaar
Shared: Puzzle · Indie · Adventure

Slime Rancher
Shared: Adventure · Exploration · Singleplayer