Games like YAPP: Yet Another Puzzle Platformer
Games like YAPP: Yet Another Puzzle Platformer include Braid, Celeste, LIMBO, Defy Gravity Extended, and Hollow Knight. We matched them by the tags players give YAPP: Yet Another Puzzle Platformer on Steam (2D Platformer, Puzzle Platformer, Casual, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Celeste
Shared: Difficult · 2D Platformer · Platformer

LIMBO
Shared: Puzzle Platformer · Platformer · Puzzle

Defy Gravity Extended
Shared: Puzzle Platformer · Platformer · Puzzle

Hollow Knight
Shared: Platformer · Difficult · 2D

Zup! S
Shared: Casual · Puzzle · 2D

Super Meat Boy
Shared: 2D Platformer · Difficult · Platformer

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

Hollow Knight: Silksong
Shared: Difficult · 2D · Platformer

Geometry Dash
Shared: Difficult · 2D · Platformer

Zup! 2
Shared: Casual · Puzzle · 2D

Zup!
Shared: Casual · Puzzle · 2D

Zup! X
Shared: Casual · Puzzle · 2D

FEZ
Shared: Platformer · Puzzle · Casual

Zup! F
Shared: Casual · Puzzle · 2D

Munin
Shared: Puzzle Platformer · Casual · 2D Platformer

Baba Is You
Shared: Difficult · Puzzle · Indie

Pizza Tower
Shared: 2D Platformer · Platformer · Great Soundtrack

Webbed
Shared: 2D Platformer · Puzzle Platformer · 2D

BEEP
Shared: Platformer · 2D · Indie

Nihilumbra
Shared: Casual · Platformer · Puzzle Platformer

Zup! 3
Shared: Casual · Puzzle · 2D

Portal 2
Shared: Platformer · Puzzle Platformer · Puzzle

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