Games like Lumina Rush
Games like Lumina Rush include Geometry Dash, Super Meat Boy, Celeste, A Dance of Fire and Ice, and VVVVVV. We matched them by the tags players give Lumina Rush on Steam (2D Platformer, Difficult, Indie, Action, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Difficult · Level Editor · Precision Platformer

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

Celeste
Shared: Difficult · Indie · 2D Platformer

A Dance of Fire and Ice
Shared: Difficult · Level Editor · Indie

VVVVVV
Shared: 2D Platformer · Indie · Difficult

Hollow Knight
Shared: Difficult · Indie · Platformer

Hollow Knight: Silksong
Shared: Difficult · Indie · Singleplayer

SANABI
Shared: 2D Platformer · Action · Indie

N++ (NPLUSPLUS)
Shared: 2D Platformer · Difficult · Precision Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Singleplayer

Downwell
Shared: Indie · 2D Platformer · Precision Platformer

Katana ZERO
Shared: Action · 2D Platformer · Indie

Jump King
Shared: Difficult · Indie · Precision Platformer

Super Meat Boy Forever
Shared: Difficult · Indie · Action

Cuphead
Shared: Difficult · Indie · Platformer

I wanna be the Creator
Shared: Level Editor · Action · Difficult

Minimalism
Shared: Indie · Difficult · Action

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

The End Is Nigh
Shared: Indie · Difficult · Precision Platformer

Brawlhalla
Shared: 2D Platformer · Action · Casual

Baba Is You
Shared: Difficult · Indie · Singleplayer

Super Hexagon
Shared: Difficult · Indie · Singleplayer

Spelunky 2
Shared: 2D Platformer · Difficult · Indie

Gravity Circuit
Shared: Indie · Action · 2D Platformer