Games like World of Cube
Games like World of Cube include Portal, Portal 2, Mirror 2: Project X, SUPERHOT, and Liars Bar. We matched them by the tags players give World of Cube on Steam (Casual, Puzzle, 3D Platformer, FPS, and Match 3): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · 3D Platformer · First-Person

Portal 2
Shared: Puzzle · First-Person · 3D Platformer

Mirror 2: Project X
Shared: Match 3 · 3D · FPS

SUPERHOT
Shared: FPS · Puzzle · First-Person

Liars Bar
Shared: Casual · FPS · 3D

VLADiK BRUTAL
Shared: FPS · Casual · First-Person

Moncage
Shared: Casual · Puzzle · Indie

A Story About My Uncle
Shared: First-Person · 3D Platformer · Puzzle

Zup! S
Shared: Casual · Puzzle · Indie

Sizeable
Shared: Casual · Puzzle · Indie

The Talos Principle 2
Shared: Puzzle · First-Person · 3D Platformer

Neon White
Shared: 3D Platformer · FPS · Indie

Supraland
Shared: Puzzle · First-Person · FPS

BioShock Infinite
Shared: FPS · First-Person · Action

Riven
Shared: Puzzle · First-Person · 3D

Garry's Mod
Shared: Casual · FPS · First-Person

The Ball
Shared: 3D Platformer · Puzzle · First-Person

Half-Life 2
Shared: FPS · First-Person · Action

Lost
Shared: Casual · Puzzle · FPS

Hexcells
Shared: Casual · Puzzle · Logic

s&box
Shared: Casual · 3D Platformer · FPS

How to Fish
Shared: First-Person · Indie · FPS

The Exit 8
Shared: Puzzle · First-Person · 3D

Spirit of the North
Shared: Puzzle · Casual · 3D Platformer