Games like Breaking Box: Walk!
Games like Breaking Box: Walk! include Portal, Donut County, Bloons TD 6, Zup!, and Portal 2. We matched them by the tags players give Breaking Box: Walk! on Steam (Strategy, 3D Platformer, Casual, Puzzle Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

Portal
Shared: 3D Platformer · Puzzle Platformer · Puzzle

Donut County
Shared: Casual · Puzzle · Cute

Bloons TD 6
Shared: Strategy · Casual · 3D

Zup!
Shared: Casual · Puzzle · Indie

Portal 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Zup! S
Shared: Casual · Puzzle · Indie

Zup! 3
Shared: Casual · Puzzle · Indie

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Human Fall Flat
Shared: Puzzle · Funny · Puzzle Platformer

Quantum Conundrum
Shared: 3D Platformer · Puzzle Platformer · Puzzle

Zup! X
Shared: Casual · Puzzle · Indie

Unpacking
Shared: Casual · Cute · Puzzle

Zup! 7
Shared: Casual · Puzzle · Indie

Zup! F
Shared: Casual · Puzzle · Indie

Zup! 2
Shared: Casual · Puzzle · Indie

Totally Accurate Battle Simulator
Shared: Strategy · Funny · Physics

Zuma Deluxe
Shared: Strategy · Puzzle · Casual

Tinykin
Shared: 3D Platformer · Cute · Puzzle

Baba Is You
Shared: Puzzle · Indie · Cute

CATO: Buttered Cat
Shared: Puzzle Platformer · Puzzle · Cute

hololive Treasure Mountain
Shared: Casual · 3D Platformer · Cute

There Is No Game: Wrong Dimension
Shared: Puzzle · Casual · Indie

Monument Valley 2
Shared: Strategy · Casual · Puzzle

Moncage
Shared: Casual · Puzzle · Indie