Games like Mortal Manor
Games like Mortal Manor include Dust: An Elysian Tail, Hollow Knight: Silksong, Hollow Knight, Rogue Legacy 2, and Ori and the Will of the Wisps. We matched them by the tags players give Mortal Manor on Steam (Action, Adventure, Indie, and Metroidvania): closest matches first, and among equally close ones the better-known games.

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

Hollow Knight: Silksong
Shared: Metroidvania · Indie · Adventure

Hollow Knight
Shared: Metroidvania · Indie · Adventure

Rogue Legacy 2
Shared: Action · Metroidvania · Indie

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

Gato Roboto
Shared: Action · Indie · Metroidvania

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

SteamWorld Dig 2
Shared: Adventure · Action · Indie

CARRION
Shared: Action · Metroidvania · Indie

Nine Sols
Shared: Metroidvania · Action · Indie

Monster Boy and the Cursed Kingdom
Shared: Action · Adventure · Indie

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

Iconoclasts
Shared: Indie · Action · Metroidvania

ICEY
Shared: Action · Adventure · Indie

Dead Cells
Shared: Adventure · Metroidvania · Action

Crypt Custodian
Shared: Adventure · Action · Metroidvania

Axiom Verge
Shared: Indie · Metroidvania · Action

Blasphemous
Shared: Metroidvania · Indie · Action

Ghost 1.0
Shared: Action · Indie · Metroidvania

The Vagrant
Shared: Action · Metroidvania · Adventure

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

UnEpic
Shared: Indie · Action · Metroidvania

Guacamelee! Gold Edition
Shared: Action · Metroidvania · Indie

UNSIGHTED
Shared: Action · Adventure · Metroidvania