Games like EXIT 4 - Portal
Games like EXIT 4 - Portal include Moncage, Monument Valley 3, COCOON, LIMBO, and Sizeable. We matched them by the tags players give EXIT 4 - Portal on Steam (Casual, Indie, Puzzle, Puzzle Platformer, and 3D): closest matches first, and among equally close ones the better-known games.

Moncage
Shared: Casual · Puzzle · Indie

Monument Valley 3
Shared: Casual · Puzzle · Colorful

COCOON
Shared: Puzzle · Indie · Puzzle Platformer

LIMBO
Shared: Indie · Puzzle Platformer · Puzzle

Sizeable
Shared: Casual · Puzzle · Indie

Viewfinder
Shared: Puzzle · Puzzle Platformer · Abstract

EDGE
Shared: Indie · Puzzle · Puzzle Platformer

Assemble with Care
Shared: Casual · Indie · Puzzle

Gorogoa
Shared: Puzzle · Indie · Casual

Hook
Shared: Casual · Puzzle · Abstract

Chants of Sennaar
Shared: Puzzle · Indie · Colorful

Strange Jigsaws
Shared: Casual · Puzzle · Abstract

Little Nightmares
Shared: Puzzle Platformer · Puzzle · Indie

Zup! F
Shared: Casual · Puzzle · Indie

Braid
Shared: Puzzle · Puzzle Platformer · Indie

FEZ
Shared: Indie · Puzzle · Casual

Little Inferno
Shared: Casual · Indie · Puzzle

Zup!
Shared: Casual · Puzzle · Indie

LEGO® Builder's Journey
Shared: Indie · Casual · Puzzle

Donut County
Shared: Casual · Indie · Puzzle

GRIS
Shared: Indie · Atmospheric · Puzzle

INSIDE
Shared: Puzzle Platformer · Indie · Atmospheric

Liars Bar
Shared: Casual · Indie · 3D

Zup! 2
Shared: Casual · Puzzle · Indie