Games like Cubicus
Games like Cubicus include LIMBO, Peggle Deluxe, Zup!, Moncage, and Zup! F. We matched them by the tags players give Cubicus on Steam (Casual, Arcade, Puzzle, Puzzle Platformer, and 3D): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Puzzle · Indie

Peggle Deluxe
Shared: Casual · Arcade · Puzzle

Zup!
Shared: Casual · Puzzle · Indie

Moncage
Shared: Casual · Puzzle · Indie

Zup! F
Shared: Casual · Puzzle · Indie

Portal
Shared: Puzzle · Puzzle Platformer · Singleplayer

Zup! S
Shared: Casual · Puzzle · Indie

Donut County
Shared: Casual · Puzzle · Indie

Zup! 2
Shared: Casual · Puzzle · Indie

Zup! X
Shared: Casual · Puzzle · Indie

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Indie

World of Goo
Shared: Puzzle · Casual · Physics

Little Nightmares
Shared: Atmospheric · Puzzle Platformer · Puzzle

Gorogoa
Shared: Puzzle · Casual · Indie

COCOON
Shared: Puzzle · Puzzle Platformer · Atmospheric

Zup! 3
Shared: Casual · Puzzle · Indie

Viewfinder
Shared: Puzzle · Puzzle Platformer · Singleplayer

Human Fall Flat
Shared: Puzzle · Physics · Puzzle Platformer

Zup! 8
Shared: Casual · Puzzle · Indie

INSIDE
Shared: Puzzle Platformer · Atmospheric · Indie

hololive Treasure Mountain
Shared: Casual · Arcade · Puzzle

Zup! Z
Shared: Casual · Puzzle · Indie

Planet of Lana
Shared: Puzzle Platformer · Puzzle · Atmospheric

Sizeable
Shared: Casual · Puzzle · Indie