Games like Death Cube
Games like Death Cube include Celeste, Braid, Super Meat Boy, LIMBO, and Thomas Was Alone. We matched them by the tags players give Death Cube on Steam (Precision Platformer, 2D Platformer, Puzzle Platformer, Puzzle, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Super Meat Boy
Shared: Precision Platformer · 2D Platformer · Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Thomas Was Alone
Shared: 2D Platformer · Precision Platformer · Platformer

Öoo
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Moonleap
Shared: Puzzle Platformer · Puzzle · Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Platformer · Puzzle

Leap Year
Shared: Precision Platformer · 2D Platformer · Puzzle Platformer

Trine 2: Complete Story
Shared: Puzzle Platformer · 2D Platformer · Platformer

Webbed
Shared: 2D Platformer · Puzzle Platformer · Platformer

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Puzzle

FEZ
Shared: Puzzle · Platformer · Puzzle Platformer

Zup!
Shared: Puzzle · 2D · Puzzle Platformer

Downwell
Shared: Precision Platformer · 2D Platformer · Platformer

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Mind Over Magnet
Shared: Puzzle Platformer · Puzzle · 2D Platformer

Laughing to Die
Shared: Puzzle · 2D Platformer · Platformer

ElecHead
Shared: Puzzle Platformer · Puzzle · Platformer

Zup! F
Shared: Puzzle · 2D · Puzzle Platformer

Zup! S
Shared: Puzzle · 2D · Relaxing

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Zup! 2
Shared: Puzzle · 2D · Puzzle Platformer