Games like Hopping Ninja-san
Games like Hopping Ninja-san include Celeste, Super Meat Boy, Rain World, Katana ZERO, and Hollow Knight. We matched them by the tags players give Hopping Ninja-san on Steam (Difficult, Action, Ninja, 2D Platformer, and Time Attack): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · 2D Platformer · Indie

Super Meat Boy
Shared: Difficult · 2D Platformer · Platformer

Rain World
Shared: Difficult · Atmospheric · Indie

Katana ZERO
Shared: Action · 2D Platformer · Platformer

Hollow Knight
Shared: Difficult · Platformer · Indie

SANABI
Shared: Action · 2D Platformer · Difficult

Noita
Shared: Difficult · Physics · Action

NINJA GAIDEN: Ragebound
Shared: Action · Ninja · 2D Platformer

Spelunky 2
Shared: Difficult · 2D Platformer · Platformer

N++ (NPLUSPLUS)
Shared: Difficult · 2D Platformer · Action

Hollow Knight: Silksong
Shared: Difficult · Indie · Platformer

Nine Sols
Shared: Difficult · Action · Platformer

Jump King
Shared: Difficult · Action · Indie

Getting Over It with Bennett Foddy
Shared: Difficult · Physics · Indie

VVVVVV
Shared: Difficult · 2D Platformer · Indie

The Messenger
Shared: Ninja · Action · Platformer

Brawlhalla
Shared: 2D Platformer · Free to Play · Action

Geometry Dash
Shared: Difficult · Platformer · Precision Platformer

Downwell
Shared: Action · Difficult · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Action

Mark of the Ninja
Shared: Ninja · Action · Platformer

Super Meat Boy Forever
Shared: Difficult · Action · Indie

Peaks of Yore
Shared: Difficult · Physics · Atmospheric

Mark of the Ninja: Remastered
Shared: Ninja · Action · Indie