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

Geometry Dash
Shared: Difficult · Great Soundtrack · Music

Celeste
Shared: Difficult · Great Soundtrack · Indie

Super Meat Boy
Shared: Platformer · Indie · Difficult

Hollow Knight
Shared: Platformer · Difficult · Great Soundtrack

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

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

Katana ZERO
Shared: Great Soundtrack · Platformer · Action

VVVVVV
Shared: Platformer · Indie · Great Soundtrack

Cuphead
Shared: Platformer · Difficult · Great Soundtrack

Pizza Tower
Shared: Great Soundtrack · Indie · Platformer

A Dance of Fire and Ice
Shared: Difficult · Music · Indie

SANABI
Shared: Pixel Graphics · Action · Indie

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

Neon Beats
Shared: Great Soundtrack · Indie · Music

Jump King
Shared: Indie · Difficult · Platformer

The End Is Nigh
Shared: Platformer · Indie · Difficult

Just Shapes & Beats
Shared: Great Soundtrack · Music · Difficult

Super Hexagon
Shared: Indie · Great Soundtrack · Difficult

Hotline Miami
Shared: Great Soundtrack · Indie · Action

The Messenger
Shared: Platformer · Great Soundtrack · Indie

140
Shared: Platformer · Indie · Great Soundtrack

Out There Somewhere
Shared: Platformer · Indie · Great Soundtrack

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

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

