Games like Al'ulA
Games like Al'ulA include Viewfinder, Superliminal, Antichamber, Portal 2, and Portal. We matched them by the tags players give Al'ulA on Steam (Puzzle Platformer, Adventure, Puzzle, First-Person, and Psychedelic): closest matches first, and among equally close ones the better-known games.

Viewfinder
Shared: Puzzle Platformer · Puzzle · First-Person

Superliminal
Shared: Puzzle · First-Person · Surreal

Antichamber
Shared: Puzzle · First-Person · Surreal

Portal 2
Shared: Puzzle · Singleplayer · First-Person

Portal
Shared: Puzzle Platformer · Puzzle · First-Person

Manifold Garden
Shared: Puzzle · First-Person · Puzzle Platformer

Supraland
Shared: Puzzle Platformer · Adventure · First-Person

LIMBO
Shared: Puzzle Platformer · Puzzle · Adventure

NaissanceE
Shared: Adventure · Exploration · First-Person

The Witness
Shared: Puzzle · First-Person · Exploration

Moncage
Shared: Puzzle · Adventure · Singleplayer

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

Little Nightmares
Shared: Adventure · Puzzle Platformer · Singleplayer

COCOON
Shared: Adventure · Puzzle · Puzzle Platformer

Slime Rancher
Shared: Adventure · First-Person · Singleplayer

The Unfinished Swan
Shared: Adventure · Puzzle · Puzzle Platformer

FAR: Lone Sails
Shared: Adventure · Singleplayer · Puzzle

Firewatch
Shared: Adventure · First-Person · Singleplayer

GRIS
Shared: Adventure · Atmospheric · Singleplayer

Stray
Shared: Adventure · Singleplayer · Puzzle

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Exploration

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

FEZ
Shared: Puzzle · Adventure · Puzzle Platformer

Call of the Sea
Shared: Adventure · Puzzle · First-Person