Games like Bat Boy
Games like Bat Boy include SANABI, BlazBlue Entropy Effect, Pizza Tower, Ori and the Will of the Wisps, and Out There Somewhere. We matched them by the tags players give Bat Boy on Steam (Action, Adventure, Action-Adventure, Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Adventure · 2D Platformer

BlazBlue Entropy Effect
Shared: Action · Action-Adventure · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Ori and the Will of the Wisps
Shared: Platformer · Action · Adventure

Out There Somewhere
Shared: Platformer · Adventure · Puzzle

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

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

Sonic Superstars
Shared: Action · Adventure · Platformer

Trine 5: A Clockwork Conspiracy
Shared: Action · Adventure · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · Action

Webbed
Shared: 2D Platformer · Platformer · Pixel Graphics

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

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

Portal 2
Shared: Platformer · Puzzle · Action-Adventure

Mina the Hollower
Shared: Action-Adventure · Platformer · 2D Platformer

Monster Boy and the Cursed Kingdom
Shared: Action · Adventure · Platformer

Shiro
Shared: Action · Adventure · Platformer

Owlboy
Shared: Adventure · Platformer · Action

Celeste
Shared: Platformer · 2D Platformer · Pixel Graphics

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

Sonic Mania
Shared: Platformer · 2D · Adventure

ANTONBLAST
Shared: Action · 2D Platformer · 2D

Dust: An Elysian Tail
Shared: Action · Platformer · Adventure

Dungeon Munchies
Shared: Action · Adventure · Pixel Graphics