Games like Ninja Roquinexu
Games like Ninja Roquinexu include Hollow Knight, Katana ZERO, Hollow Knight: Silksong, Shovel Knight: Treasure Trove, and Celeste. We matched them by the tags players give Ninja Roquinexu on Steam (Action, Indie, Platformer, Retro, and Ninja): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · Indie · Great Soundtrack

Katana ZERO
Shared: Action · Platformer · Story Rich

Hollow Knight: Silksong
Shared: Indie · Difficult · Great Soundtrack

Shovel Knight: Treasure Trove
Shared: Platformer · Retro · Indie

Celeste
Shared: Indie · Platformer · Difficult

SANABI
Shared: Action · Story Rich · Indie

The Messenger
Shared: Platformer · Retro · Ninja

Ori and the Will of the Wisps
Shared: Platformer · Action · Great Soundtrack

Cuphead
Shared: Platformer · Difficult · Indie

Super Meat Boy
Shared: Platformer · Indie · Difficult

Angry Video Game Nerd Adventures
Shared: Indie · Action · Platformer

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

Hotline Miami
Shared: Action · Indie · Great Soundtrack

Mark of the Ninja
Shared: Platformer · Indie · Action

Freedom Planet
Shared: Action · Platformer · Indie

Nine Sols
Shared: Action · Platformer · Difficult

Out There Somewhere
Shared: Platformer · Indie · Action

Sonic Adventure 2
Shared: Action · Platformer · Great Soundtrack

Pizza Tower
Shared: Indie · Great Soundtrack · Platformer

Axiom Verge
Shared: Indie · Platformer · Action

Sonic Adventure DX
Shared: Platformer · Action · Great Soundtrack

Shio
Shared: Action · Indie · Platformer

Brothers - A Tale of Two Sons
Shared: Indie · Story Rich · Adventure

Hotline Miami 2: Wrong Number
Shared: Action · Great Soundtrack · Indie