Games like 100 Keys To Your Heart
Games like 100 Keys To Your Heart include LIMBO, Webbed, Braid, FEZ, and Planet of Lana. We matched them by the tags players give 100 Keys To Your Heart on Steam (Puzzle Platformer, 2D Platformer, Relaxing, Puzzle, and Indie): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Puzzle · Indie

Webbed
Shared: 2D Platformer · Puzzle Platformer · Relaxing

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

FEZ
Shared: Puzzle · Platformer · Indie

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Mind Over Magnet
Shared: Puzzle Platformer · Puzzle · 2D Platformer

The Last Campfire
Shared: Puzzle · Indie · Relaxing

Öoo
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Celeste
Shared: 2D Platformer · Indie · Platformer

GRIS
Shared: Indie · Relaxing · Platformer

INSIDE
Shared: Puzzle Platformer · Indie · Singleplayer

Neva
Shared: Indie · Platformer · Puzzle

The Pedestrian
Shared: Puzzle Platformer · Puzzle · 2D Platformer

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

Creaks
Shared: Puzzle · Puzzle Platformer · Relaxing

COCOON
Shared: Puzzle · Puzzle Platformer · Indie

Little Nightmares
Shared: Puzzle Platformer · Puzzle · Singleplayer

Moonleap
Shared: Puzzle Platformer · Puzzle · Platformer

ANIMAL WELL
Shared: Puzzle Platformer · Puzzle · Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Indie

Creepy Tale
Shared: Puzzle Platformer · 2D Platformer · Puzzle

ANTONBLAST
Shared: 2D Platformer · Puzzle Platformer · Singleplayer

ElecHead
Shared: Puzzle Platformer · Puzzle · Platformer