Games like Lumione
Games like Lumione include Ori and the Will of the Wisps, Celeste, GRIS, Hollow Knight: Silksong, and Hollow Knight. We matched them by the tags players give Lumione on Steam (Platformer, Precision Platformer, 2D, Beautiful, and Indie): closest matches first, and among equally close ones the better-known games.

Ori and the Will of the Wisps
Shared: Platformer · Beautiful · Singleplayer

Celeste
Shared: Precision Platformer · Platformer · Indie

GRIS
Shared: Beautiful · Indie · Platformer

Hollow Knight: Silksong
Shared: Indie · 2D · Platformer

Hollow Knight
Shared: Platformer · 2D · Indie

Dust: An Elysian Tail
Shared: Platformer · Indie · 2D

Super Meat Boy
Shared: Platformer · Precision Platformer · Indie

LIMBO
Shared: Platformer · Indie · 2D

SANABI
Shared: 2D · Singleplayer · Platformer

Geometry Dash
Shared: 2D · Precision Platformer · Platformer

Jump King
Shared: Precision Platformer · Platformer · Indie

Neva
Shared: Platformer · Indie · Beautiful

Child of Light
Shared: Platformer · Fantasy · 2D

Owlboy
Shared: Platformer · Indie · 2D

Rogue Legacy
Shared: Platformer · Indie · 2D

Trine 2: Complete Story
Shared: Platformer · Action-Adventure · Fantasy

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

Himno
Shared: Platformer · 2D · Singleplayer

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

MIO: Memories in Orbit
Shared: Platformer · Indie · Singleplayer

VVVVVV
Shared: Precision Platformer · Platformer · Indie

UnEpic
Shared: Platformer · Indie · 2D

Thomas Was Alone
Shared: Platformer · Precision Platformer · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Indie