Games like Electronic Super Joy 2
Games like Electronic Super Joy 2 include Geometry Dash, Celeste, Super Meat Boy, Hollow Knight, and Hollow Knight: Silksong. We matched them by the tags players give Electronic Super Joy 2 on Steam (Indie, Difficult, Platformer, Free to Play, and 2D): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Difficult · 2D · Great Soundtrack

Celeste
Shared: Difficult · Indie · Platformer

Super Meat Boy
Shared: Difficult · Platformer · Indie

Hollow Knight
Shared: Platformer · Difficult · Indie

Hollow Knight: Silksong
Shared: Difficult · Indie · Great Soundtrack

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Great Soundtrack

Cuphead
Shared: Difficult · Platformer · Indie

Electronic Super Joy
Shared: Indie · Platformer · Difficult

Katana ZERO
Shared: Platformer · Great Soundtrack · Indie

VVVVVV
Shared: Indie · Platformer · Difficult

Skul: The Hero Slayer
Shared: Indie · 2D · Pixel Graphics

Neon Beats
Shared: Free to Play · Indie · Great Soundtrack

The Binding of Isaac: Rebirth
Shared: Indie · Difficult · Great Soundtrack

Pizza Tower
Shared: Indie · Great Soundtrack · Platformer

SANABI
Shared: Pixel Graphics · Indie · 2D

The Messenger
Shared: Platformer · Indie · 2D

Jump King
Shared: Difficult · Indie · Platformer

Hotline Miami
Shared: Indie · Great Soundtrack · Pixel Graphics

Hotline Miami 2: Wrong Number
Shared: Great Soundtrack · Difficult · Pixel Graphics

Out There Somewhere
Shared: Indie · Platformer · Pixel Graphics

The End Is Nigh
Shared: Indie · Platformer · Difficult

Angry Video Game Nerd Adventures
Shared: Indie · Platformer · Difficult

Axiom Verge
Shared: Indie · Platformer · Great Soundtrack

Freedom Planet
Shared: Platformer · Indie · Great Soundtrack