Games like Poly and the Marble Maze
Games like Poly and the Marble Maze include Donut County, Portal 2, Portal, LIMBO, and FEZ. We matched them by the tags players give Poly and the Marble Maze on Steam (Indie, Casual, Platformer, Puzzle, and Physics): closest matches first, and among equally close ones the better-known games.

Donut County
Shared: Indie · Casual · Puzzle

Portal 2
Shared: Platformer · Puzzle · Singleplayer

Portal
Shared: Puzzle · Singleplayer · Puzzle Platformer

LIMBO
Shared: Indie · Platformer · Puzzle

FEZ
Shared: Indie · Platformer · Puzzle

World of Goo
Shared: Indie · Puzzle · Physics

Pikuniku
Shared: Indie · Casual · Puzzle

Zup! S
Shared: Casual · Indie · Puzzle

Defy Gravity Extended
Shared: Indie · Platformer · Puzzle

Human Fall Flat
Shared: Puzzle · Funny · Physics

Getting Over It with Bennett Foddy
Shared: Physics · Singleplayer · Indie

A Hat in Time
Shared: Indie · Funny · 3D Platformer

Refunct
Shared: Casual · Platformer · 3D Platformer

GRIS
Shared: Indie · Platformer · Singleplayer

Assemble with Care
Shared: Indie · Casual · Puzzle

Zup!
Shared: Casual · Indie · Puzzle

Chained Together
Shared: Platformer · Casual · Funny

Zup! X
Shared: Casual · Indie · Puzzle

Zup! F
Shared: Casual · Indie · Puzzle

Little Inferno
Shared: Indie · Casual · Puzzle

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

Tiny and Big: Grandpas Leftovers
Shared: Indie · Platformer · Physics

Zup! 2
Shared: Casual · Indie · Puzzle

Zup! 3
Shared: Casual · Indie · Puzzle