Games like Sarah's Great Adventure
Games like Sarah's Great Adventure include Momodora: Reverie Under The Moonlight, Ori and the Will of the Wisps, Blasphemous 2, SANABI, and Hollow Knight. We matched them by the tags players give Sarah's Great Adventure on Steam (Adventure, Action, Fantasy, 2D Platformer, and Metroidvania): closest matches first, and among equally close ones the better-known games.

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Metroidvania · Side Scroller

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

Blasphemous 2
Shared: Fantasy · Adventure · Metroidvania

SANABI
Shared: Action · Adventure · 2D Platformer

Hollow Knight
Shared: Metroidvania · Platformer · Adventure

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

Hollow Knight: Silksong
Shared: Metroidvania · Adventure · Platformer

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

Owlboy
Shared: Adventure · Metroidvania · Platformer

9 Years of Shadows
Shared: Metroidvania · Fantasy · Platformer

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

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

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

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

Kena: Bridge of Spirits
Shared: Adventure · Action · Action-Adventure

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

Afterimage
Shared: Metroidvania · 2D Platformer · Exploration

UnEpic
Shared: Action · Metroidvania · Platformer

Momodora: Moonlit Farewell
Shared: Metroidvania · Action-Adventure · Action

Rabi-Ribi
Shared: Metroidvania · Exploration · Action

Well Dweller
Shared: Metroidvania · Action · Adventure

Touhou Luna Nights
Shared: Metroidvania · Platformer · Side Scroller

Gato Roboto
Shared: Action · Adventure · Metroidvania

The Messenger
Shared: Metroidvania · Platformer · Action