Games like Loophole: The Prison Break
Games like Loophole: The Prison Break include Portal, Portal 2, Human Fall Flat, Braid, and Quantum Conundrum. We matched them by the tags players give Loophole: The Prison Break on Steam (Puzzle Platformer, Puzzle, Time Manipulation, 3D Platformer, and Stealth): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Physics

Braid
Shared: Puzzle Platformer · Puzzle · Time Manipulation

Quantum Conundrum
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Chained Together
Shared: Puzzle Platformer · Platformer · 3D Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Little Nightmares
Shared: Puzzle Platformer · Puzzle · Stealth

Donut County
Shared: Puzzle · Physics · Casual

Viewfinder
Shared: Puzzle Platformer · Puzzle · Physics

Supraland
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Tiny and Big: Grandpas Leftovers
Shared: Puzzle · 3D Platformer · Platformer

The Pedestrian
Shared: Puzzle Platformer · Puzzle · Logic

Tinykin
Shared: 3D Platformer · Puzzle · Puzzle Platformer

CATO: Buttered Cat
Shared: Puzzle Platformer · Puzzle · Cute

Timelie
Shared: Puzzle Platformer · Puzzle · Time Manipulation

Biped
Shared: Puzzle · Puzzle Platformer · 3D Platformer

The Last Campfire
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Oddworld: New 'n' Tasty
Shared: Puzzle Platformer · Puzzle · Platformer

Pikuniku
Shared: Puzzle · Indie · Adventure

FEZ
Shared: Puzzle · Platformer · Puzzle Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

A Hat in Time
Shared: 3D Platformer · Cute · Platformer

Trine 3: The Artifacts of Power
Shared: Puzzle Platformer · 3D Platformer · Puzzle