Games like Prison Boy - The Adventure
Games like Prison Boy - The Adventure include Celeste, SANABI, Super Meat Boy, Trine 2: Complete Story, and LIMBO. We matched them by the tags players give Prison Boy - The Adventure on Steam (Precision Platformer, Action-Adventure, Puzzle Platformer, Indie, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Indie · Pixel Graphics

SANABI
Shared: Pixel Graphics · 2D Platformer · Action

Super Meat Boy
Shared: Precision Platformer · Indie · 2D Platformer

Trine 2: Complete Story
Shared: Action-Adventure · Puzzle Platformer · 2D Platformer

LIMBO
Shared: Puzzle Platformer · Indie · Puzzle

VVVVVV
Shared: Precision Platformer · Indie · Pixel Graphics

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

FEZ
Shared: Indie · Puzzle · Pixel Graphics

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Trine Enchanted Edition
Shared: Action-Adventure · Puzzle Platformer · 2D Platformer

Downwell
Shared: Precision Platformer · Indie · Pixel Graphics

Out There Somewhere
Shared: Indie · Puzzle · Pixel Graphics

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

I wanna be the Creator
Shared: Action-Adventure · Precision Platformer · Action

Jump King
Shared: Precision Platformer · Indie · Adventure

Owlboy
Shared: Indie · Adventure · Pixel Graphics

Braid
Shared: Puzzle Platformer · Indie · 2D Platformer

Leap Year
Shared: Precision Platformer · Puzzle Platformer · 2D Platformer

ANIMAL WELL
Shared: Puzzle Platformer · Puzzle · Pixel Graphics

ElecHead
Shared: Puzzle Platformer · Puzzle · Pixel Graphics

Skul: The Hero Slayer
Shared: Indie · Action · Pixel Graphics

Defy Gravity Extended
Shared: Puzzle Platformer · Indie · Puzzle

INSIDE
Shared: Puzzle Platformer · Indie · Adventure

Pizza Tower
Shared: 2D Platformer · Indie · Pixel Graphics