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

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

Hollow Knight
Shared: Metroidvania · 2D · Singleplayer

SANABI
Shared: Action · 2D Platformer · Adventure

Hollow Knight: Silksong
Shared: Metroidvania · Singleplayer · 2D

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

Dead Cells
Shared: Adventure · Metroidvania · 2D

Tomb Raider Game of the Year
Shared: Action · Adventure · Singleplayer

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

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

Nine Sols
Shared: Metroidvania · Action · 2D

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

Constance
Shared: Action · Metroidvania · 2D

Owlboy
Shared: Adventure · Metroidvania · Action

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

Rogue Legacy 2
Shared: Action · Metroidvania · Adventure

Planet of Lana
Shared: Action · 2D Platformer · Atmospheric

Black Myth: Wukong
Shared: Action · Singleplayer · Adventure

CARRION
Shared: Action · Metroidvania · Adventure

MIO: Memories in Orbit
Shared: Metroidvania · Singleplayer · Atmospheric

STAR WARS Jedi: Survivor™
Shared: Action · Adventure · Singleplayer

Hyper Light Drifter
Shared: Adventure · Action · Atmospheric

Ghost Song
Shared: Action · Metroidvania · 2D

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

Souldiers
Shared: Action · Metroidvania · Singleplayer