Games like Maelstrom
Games like Maelstrom include SANABI, Blasphemous 2, Skul: The Hero Slayer, Dust: An Elysian Tail, and Hollow Knight. We matched them by the tags players give Maelstrom on Steam (Metroidvania, Action, Adventure, 2D, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Pixel Graphics · Adventure

Blasphemous 2
Shared: Metroidvania · Adventure · Fantasy

Skul: The Hero Slayer
Shared: Action · 2D · Pixel Graphics

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

Hollow Knight
Shared: Metroidvania · 2D · Platformer

Dead Cells
Shared: Metroidvania · Adventure · 2D

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

Owlboy
Shared: Adventure · Metroidvania · Pixel Graphics

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

Phoenotopia: Awakening
Shared: Action · Adventure · Metroidvania

The Messenger
Shared: Metroidvania · 2D · Pixel Graphics

Souldiers
Shared: Metroidvania · Action · Pixel Graphics

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · Pixel Graphics

Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D

Gato Roboto
Shared: Metroidvania · Action · Adventure

Iconoclasts
Shared: Metroidvania · Action · Pixel Graphics

Celeste
Shared: Pixel Graphics · 2D Platformer · 2D

Momodora: Moonlit Farewell
Shared: Metroidvania · 2D · Pixel Graphics

Rogue Legacy
Shared: Action · Metroidvania · Platformer

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

Mina the Hollower
Shared: Pixel Graphics · Action-Adventure · 2D Platformer

Bloodstained: Curse of the Moon
Shared: Action · Metroidvania · Pixel Graphics

CARRION
Shared: Metroidvania · Action · Pixel Graphics

Axiom Verge
Shared: Metroidvania · Action · Pixel Graphics