Games like Barbarian Saga: The Beastmaster
Games like Barbarian Saga: The Beastmaster include Hollow Knight, Hollow Knight: Silksong, Nine Sols, Ori and the Will of the Wisps, and Touhou Luna Nights. We matched them by the tags players give Barbarian Saga: The Beastmaster on Steam (Metroidvania, Exploration, Difficult, Action, and Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Difficult · Platformer

Hollow Knight: Silksong
Shared: Metroidvania · Difficult · Exploration

Nine Sols
Shared: Metroidvania · Difficult · Platformer

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

Touhou Luna Nights
Shared: Metroidvania · Difficult · Exploration

MIO: Memories in Orbit
Shared: Metroidvania · Exploration · Platformer

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

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

Constance
Shared: Metroidvania · Platformer · Action

Cave Story+
Shared: Metroidvania · Exploration · Difficult

Rain World
Shared: Difficult · Exploration · Platformer

Rogue Legacy 2
Shared: Metroidvania · Action · Platformer

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

Aeterna Noctis
Shared: Metroidvania · Difficult · Platformer

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

8Doors: Arum's Afterlife Adventure
Shared: Metroidvania · Action · Platformer

La-Mulana
Shared: Metroidvania · Difficult · Platformer

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Exploration · Difficult

Rabi-Ribi
Shared: Metroidvania · Exploration · Action-Adventure

UnEpic
Shared: Metroidvania · Action · Platformer

Blasphemous
Shared: Metroidvania · Difficult · 2D

Cuphead
Shared: Difficult · Platformer · 2D

Wonder Boy: The Dragon's Trap
Shared: Platformer · Action · Metroidvania

Axiom Verge
Shared: Metroidvania · Platformer · Action