Games like Ultros
Games like Ultros include Hollow Knight: Silksong, Hollow Knight, Ori and the Will of the Wisps, Bloodstained: Ritual of the Night, and Nine Sols. We matched them by the tags players give Ultros on Steam (Metroidvania, Adventure, Platformer, Sci-fi, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight: Silksong
Shared: Metroidvania · Platformer · Adventure

Hollow Knight
Shared: Metroidvania · Platformer · Adventure

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

Bloodstained: Ritual of the Night
Shared: Metroidvania · Adventure · Female Protagonist

Nine Sols
Shared: Metroidvania · Platformer · Action

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

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

Dead Cells
Shared: Adventure · Metroidvania · Platformer

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

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · Female Protagonist

Axiom Verge
Shared: Metroidvania · Platformer · Adventure

SteamWorld Dig 2
Shared: Metroidvania · Adventure · Platformer

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

Rogue Legacy 2
Shared: Metroidvania · Platformer · Adventure

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

GRIS
Shared: Adventure · Female Protagonist · Platformer

Tomb Raider Game of the Year
Shared: Adventure · Female Protagonist · Action

Constance
Shared: Metroidvania · Platformer · Adventure

Worldless
Shared: Metroidvania · Platformer · 2D Platformer

ANIMAL WELL
Shared: Metroidvania · Platformer · Exploration

Celeste
Shared: Platformer · 2D Platformer · Female Protagonist

Iconoclasts
Shared: Metroidvania · Adventure · Female Protagonist

Afterimage
Shared: Metroidvania · 2D Platformer · Female Protagonist

Gato Roboto
Shared: Metroidvania · Adventure · Platformer