Games like Through the Mirror
Games like Through the Mirror include LIMBO, Defy Gravity Extended, Planet of Lana, Braid, and Hollow Knight. We matched them by the tags players give Through the Mirror on Steam (Casual, Action, Indie, Puzzle Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Indie · Puzzle Platformer · Puzzle

Defy Gravity Extended
Shared: Puzzle Platformer · Indie · Platformer

Planet of Lana
Shared: Action · Puzzle Platformer · Puzzle

Braid
Shared: Puzzle Platformer · Indie · Puzzle

Hollow Knight
Shared: Platformer · Indie · Difficult

Nihilumbra
Shared: Indie · Casual · Puzzle

Zup!
Shared: Casual · Indie · Puzzle

Zup! S
Shared: Casual · Indie · Puzzle

Zup! 2
Shared: Casual · Indie · Puzzle

Toki Tori
Shared: Casual · Indie · Puzzle

EDGE
Shared: Puzzle Platformer · Indie · Action

Minimalism
Shared: Casual · Indie · Action

Hollow Knight: Silksong
Shared: Indie · Difficult · Platformer

Marble Mayhem: Fragile Ball
Shared: Casual · Indie · Puzzle

FEZ
Shared: Indie · Puzzle · Platformer

BEEP
Shared: Indie · Platformer · Action

Zup! 4
Shared: Casual · Indie · Puzzle

A Dance of Fire and Ice
Shared: Indie · Difficult · Casual

Zup! 3
Shared: Casual · Indie · Puzzle

Zup! F
Shared: Casual · Indie · Puzzle

Pikuniku
Shared: Casual · Indie · Puzzle

Zup! 8
Shared: Casual · Puzzle · Indie

Rogue Legacy 2
Shared: Action · Indie · Platformer

Timberman
Shared: Casual · Indie · Action