Games like Sorter (Early Access)
Games like Sorter (Early Access) include Portal, Portal 2, PowerWash Simulator, Hardspace: Shipbreaker, and The Talos Principle 2. We matched them by the tags players give Sorter (Early Access) on Steam (Puzzle Platformer, Puzzle, 3D, First-Person, and Relaxing): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · Puzzle · First-Person

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

PowerWash Simulator
Shared: Casual · Relaxing · First-Person

Hardspace: Shipbreaker
Shared: Puzzle · Sci-fi · First-Person

The Talos Principle 2
Shared: Puzzle · Puzzle Platformer · First-Person

DrainSim
Shared: First-Person · Relaxing · Casual

Zup! S
Shared: Puzzle · Casual · Relaxing

Viewfinder
Shared: Puzzle Platformer · Puzzle · First-Person

Monument Valley
Shared: Puzzle · Relaxing · Casual

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Puzzle · Casual

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

Zup!
Shared: Puzzle · Casual · Puzzle Platformer

Dorfromantik
Shared: Puzzle · Relaxing · Casual

Quantum Conundrum
Shared: Puzzle Platformer · Puzzle · First-Person

Superliminal
Shared: Puzzle · First-Person · Physics

Zup! F
Shared: Puzzle · Casual · Puzzle Platformer

Zup! 2
Shared: Puzzle · Casual · Puzzle Platformer

Zup! X
Shared: Puzzle · Casual · Puzzle Platformer

Is This Seat Taken?
Shared: Puzzle · Relaxing · Casual

Garry's Mod
Shared: First-Person · Casual · Physics

Hozy
Shared: Relaxing · Puzzle · Casual

Creature Kitchen
Shared: Puzzle · First-Person · Relaxing

Supraland
Shared: Puzzle Platformer · First-Person · Puzzle

Unpacking
Shared: Relaxing · Puzzle · Casual