Games like Poor Lucas and the Evil Duke
Games like Poor Lucas and the Evil Duke include Dust: An Elysian Tail, UnEpic, Hollow Knight, Castlevania: Belmont's Curse, and Rogue Legacy. We matched them by the tags players give Poor Lucas and the Evil Duke on Steam (Action, Metroidvania, RPG, 2D Platformer, and Platformer): closest matches first, and among equally close ones the better-known games.

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

UnEpic
Shared: RPG · Metroidvania · Action

Hollow Knight
Shared: Metroidvania · Platformer · 2D

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

Rogue Legacy
Shared: Action · Platformer · Metroidvania

Rogue Legacy 2
Shared: Metroidvania · Action · Platformer

Hollow Knight: Silksong
Shared: Metroidvania · Indie · Singleplayer

Valdis Story: Abyssal City
Shared: Action · Metroidvania · RPG

Salt and Sanctuary
Shared: Metroidvania · Action · RPG

ENDER MAGNOLIA: Bloom in the Mist
Shared: Metroidvania · 2D · Singleplayer

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

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

Black Myth: Wukong
Shared: Action · RPG · Action RPG

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

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Gestalt: Steam & Cinder
Shared: Action · RPG · Metroidvania

Indivisible
Shared: Action · RPG · Metroidvania

The Messenger
Shared: Metroidvania · Platformer · Action

The Vagrant
Shared: Action · RPG · Metroidvania

ASTLIBRA Revision
Shared: Metroidvania · RPG · 2D

Castlevania Dominus Collection
Shared: Action · Metroidvania · 2D Platformer

Bloodstained: Ritual of the Night
Shared: Metroidvania · Action · RPG

Deaths Gambit: Afterlife
Shared: Metroidvania · RPG · Action

Nine Sols
Shared: Metroidvania · Action · Platformer