Games like Old Ninja : UnderWorld
Games like Old Ninja : UnderWorld include Skul: The Hero Slayer, Dust: An Elysian Tail, Hollow Knight, Ori and the Will of the Wisps, and Gato Roboto. We matched them by the tags players give Old Ninja : UnderWorld on Steam (Action, Adventure, Metroidvania, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D
Dust: An Elysian Tail
Shared: Action · Metroidvania · Adventure
Hollow Knight
Shared: Metroidvania · 2D · Adventure
Ori and the Will of the Wisps
Shared: Metroidvania · Action · Adventure
Gato Roboto
Shared: Action · Metroidvania · Adventure
Dead Cells
Shared: Adventure · Metroidvania · Pixel Graphics
SANABI
Shared: Action · Pixel Graphics · Adventure
Prince of Persia The Lost Crown
Shared: Metroidvania · Action · Adventure
Hollow Knight: Silksong
Shared: Metroidvania · 2D · Adventure
Blasphemous 2
Shared: Metroidvania · Adventure · Pixel Graphics
9 Years of Shadows
Shared: Metroidvania · Pixel Graphics · Action
Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Pixel Graphics · Exploration
Terraria
Shared: 2D · Adventure · Pixel Graphics
Axiom Verge
Shared: Metroidvania · Action · Pixel Graphics
Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D
Monster Boy and the Cursed Kingdom
Shared: Action · Adventure · Metroidvania
Rabi-Ribi
Shared: Metroidvania · Pixel Graphics · Exploration
ANIMAL WELL
Shared: Metroidvania · Exploration · Pixel Graphics
Owlboy
Shared: Adventure · Pixel Graphics · Metroidvania
ASTLIBRA Revision
Shared: 2D · Metroidvania · Action RPG
Crimson Desert Enhanced
Shared: Action · Adventure · Exploration
CARRION
Shared: Action · Metroidvania · Pixel Graphics
Dungeon Munchies
Shared: Action · Adventure · Pixel Graphics
Hyper Light Drifter
Shared: Pixel Graphics · Adventure · Action