Games like Remedy
Games like Remedy include Portal 2, The Witness, Viewfinder, Supraland, and Antichamber. We matched them by the tags players give Remedy on Steam (Adventure, Puzzle, Indie, First-Person, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · First-Person · Puzzle Platformer

The Witness
Shared: Puzzle · First-Person · Indie

Viewfinder
Shared: Puzzle · Puzzle Platformer · First-Person

Supraland
Shared: Adventure · Puzzle Platformer · First-Person

Antichamber
Shared: Puzzle · Indie · First-Person

Portal
Shared: Puzzle · First-Person · Puzzle Platformer

Refunct
Shared: First-Person · Relaxing · 3D Platformer

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

LIMBO
Shared: Puzzle · Indie · Puzzle Platformer

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

GRIS
Shared: Indie · Adventure · Relaxing

The Last Campfire
Shared: Adventure · Puzzle · Indie

NaissanceE
Shared: Indie · Adventure · First-Person

FEZ
Shared: Puzzle · Indie · Adventure

Slime Rancher
Shared: Adventure · First-Person · Exploration

RiME
Shared: Adventure · Puzzle · Indie

Big Walk
Shared: Puzzle · Adventure · Exploration

Firewatch
Shared: Adventure · First-Person · Indie

Little Nightmares
Shared: Adventure · Puzzle · Puzzle Platformer

Neva
Shared: Adventure · Indie · Puzzle

FAR: Lone Sails
Shared: Adventure · Indie · Puzzle

Outer Wilds
Shared: Adventure · Puzzle · Exploration

COCOON
Shared: Adventure · Puzzle · Indie

Slime Rancher 2
Shared: Relaxing · Adventure · First-Person