Games like Beat Boy
Games like Beat Boy include Geometry Dash, Super Meat Boy, Rogue Legacy 2, Super Meat Boy Forever, and SANABI. We matched them by the tags players give Beat Boy on Steam (Action, Arcade, Platformer, Score Attack, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Precision Platformer · Platformer · Colorful

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

Rogue Legacy 2
Shared: Arcade · Action · Platformer

Super Meat Boy Forever
Shared: Action · Platformer · Precision Platformer

SANABI
Shared: Action · 2D Platformer · Platformer

Downwell
Shared: Precision Platformer · Platformer · Arcade

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

BIT.TRIP RUNNER
Shared: Platformer · Action · Runner

pureya
Shared: Arcade · Colorful · Action

Prince of Persia The Lost Crown
Shared: Action · 2D Platformer · Precision Platformer

Thomas Was Alone
Shared: Platformer · Precision Platformer · Side Scroller

Super Mombo Quest
Shared: Action · Arcade · Precision Platformer

Broforce
Shared: Action · Platformer · 2D

Shotgun Cop Man
Shared: Action · Arcade · Precision Platformer

!AnyWay!
Shared: Precision Platformer · Platformer · Arcade

Dino Run DX
Shared: Arcade · Action · Runner

ALTF4
Shared: Action · Runner · Arcade

Orbt XL
Shared: Arcade · Action · Score Attack

SHINOBI: Art of Vengeance
Shared: Action · Platformer · 2D Platformer

Melody's Escape
Shared: Colorful · Action · Character Customization

Katana ZERO
Shared: Action · Platformer · 2D Platformer

BIT.TRIP Presents... Runner2: Future Legend of Rhythm Alien
Shared: Precision Platformer · Platformer · Arcade

Rogue Legacy
Shared: Platformer · Action · Indie

Skul: The Hero Slayer
Shared: Action · Platformer · Indie