Games like Elly
Games like Elly include Prince of Persia The Lost Crown, Hollow Knight, Ori and the Will of the Wisps, Nine Sols, and Sonic Superstars. We matched them by the tags players give Elly on Steam (Metroidvania, 2D Platformer, Precision Platformer, Action, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Prince of Persia The Lost Crown
Shared: Metroidvania · 2D Platformer · Action

Hollow Knight
Shared: Metroidvania · Platformer · Adventure

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

Nine Sols
Shared: Metroidvania · Action · Platformer

Sonic Superstars
Shared: 2D Platformer · Action · Adventure

SANABI
Shared: Action · 2D Platformer · Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · Action · 2D Platformer

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Well Dweller
Shared: Metroidvania · Action-Adventure · Action

Castlevania: Belmont's Curse
Shared: Metroidvania · 2D Platformer · Action

The Darkest Tales — Into the Nightmare
Shared: 2D Platformer · Metroidvania · Adventure

Super Mombo Quest
Shared: Metroidvania · Action · Adventure

Hollow Knight: Silksong
Shared: Metroidvania · Platformer · Adventure

MIO: Memories in Orbit
Shared: Metroidvania · Action-Adventure · Platformer

Rusted Moss
Shared: Metroidvania · Action · 2D Platformer

Constance
Shared: Metroidvania · Action · Action-Adventure

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

Dead Cells
Shared: Metroidvania · Adventure · 2D

Owlboy
Shared: Metroidvania · Adventure · Platformer

Rogue Legacy 2
Shared: Metroidvania · Action · Platformer

Leap Year
Shared: 2D Platformer · Precision Platformer · Metroidvania

Bō: Path of the Teal Lotus
Shared: Precision Platformer · 2D Platformer · Metroidvania

Super Meat Boy
Shared: Precision Platformer · 2D Platformer · Platformer

SHINOBI: Art of Vengeance
Shared: 2D Platformer · Metroidvania · Action