Games like Magnecube
Games like Magnecube include Portal 2, Baba Is You, Human Fall Flat, LIMBO, and Portal. We matched them by the tags players give Magnecube on Steam (Puzzle, Puzzle Platformer, Logic, Physics, and Sandbox): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Baba Is You
Shared: Puzzle · Logic · Singleplayer

Human Fall Flat
Shared: Puzzle · Physics · Puzzle Platformer

LIMBO
Shared: Puzzle · Puzzle Platformer · Platformer

Portal
Shared: Puzzle · Puzzle Platformer · Physics

The Bridge
Shared: Puzzle Platformer · Puzzle · Physics

Bridge Constructor Portal
Shared: Puzzle · Physics · Level Editor

Poly Bridge
Shared: Puzzle · Physics · Sandbox

Zup! S
Shared: Puzzle · Physics · 2D

People Playground
Shared: Sandbox · Physics · 2D

FEZ
Shared: Puzzle · Platformer · Puzzle Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

Zup! 3
Shared: Puzzle · Physics · Puzzle Platformer

Garry's Mod
Shared: Sandbox · Physics · Singleplayer

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Platformer

Patrick's Parabox
Shared: Puzzle · Logic · Sokoban

Zup!
Shared: Puzzle · Physics · Puzzle Platformer

Braid
Shared: Puzzle · Puzzle Platformer · Platformer

Poly Bridge 2
Shared: Puzzle · Physics · Level Editor

I hate this game
Shared: Puzzle · Logic · Puzzle Platformer

Zup! X
Shared: Puzzle · Physics · Puzzle Platformer

Geometry Dash
Shared: Level Editor · 2D · Platformer

Webbed
Shared: Puzzle Platformer · Physics · Platformer

Zup! F
Shared: Puzzle · Physics · Puzzle Platformer