Games like The Magnet Trials
Games like The Magnet Trials include Portal, Portal 2, A Story About My Uncle, Half-Life 2, and The Talos Principle. We matched them by the tags players give The Magnet Trials on Steam (Action, Indie, Adventure, Puzzle, and First-Person): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · First-Person · 3D Platformer

Portal 2
Shared: Puzzle · First-Person · Singleplayer

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

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

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

Deliver Us The Moon
Shared: Indie · Action · Adventure

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

BioShock Infinite
Shared: Action · First-Person · Adventure

Outer Wilds
Shared: Adventure · Puzzle · Indie

Polarity
Shared: Indie · Puzzle · First-Person

SUPERHOT
Shared: Action · Indie · First-Person

Valley
Shared: Adventure · First-Person · Indie

Firewatch
Shared: Adventure · First-Person · Indie

Bendy and the Dark Revival
Shared: Action · First-Person · Adventure

Human Fall Flat
Shared: Puzzle · Adventure · Funny

Seen
Shared: Indie · Adventure · Puzzle

Atomic Heart
Shared: Adventure · Action · Puzzle

Hollow Knight
Shared: Indie · Difficult · Adventure

Grand Theft Auto V Legacy
Shared: Action · First-Person · Adventure

Return of the Obra Dinn
Shared: Puzzle · Indie · First-Person

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

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

RoboCop: Rogue City
Shared: Action · First-Person · Adventure

Ori and the Will of the Wisps
Shared: Action · Adventure · Singleplayer