Games like Ninja Striker!
Games like Ninja Striker! include Broforce, Skul: The Hero Slayer, Mark of the Ninja, The Messenger, and Shovel Knight: Treasure Trove. We matched them by the tags players give Ninja Striker! on Steam (Action, Casual, Indie, Ninja, and Platformer): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics

Mark of the Ninja
Shared: Indie · Ninja · Platformer

The Messenger
Shared: Platformer · Ninja · Action

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

Vampire Survivors
Shared: Indie · Pixel Graphics · 2D

NINJA GAIDEN: Ragebound
Shared: Action · Ninja · Platformer

Katana ZERO
Shared: Action · Pixel Graphics · Platformer

SANABI
Shared: Action · Pixel Graphics · Indie

Gensokyo Night Festival
Shared: Action · Indie · Casual

Gato Roboto
Shared: Action · Indie · Pixel Graphics

Rogue Legacy
Shared: Indie · Action · Platformer

Gravity Circuit
Shared: Action · Indie · Platformer

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

Super Meat Boy
Shared: Indie · Platformer · 2D

Montaro
Shared: Casual · Indie · Cute

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

Timberman
Shared: Casual · Indie · Action

Sonic Mania
Shared: Platformer · 2D · Action

Celeste
Shared: Indie · Platformer · Pixel Graphics

Return.
Shared: Casual · Indie · Action

Freedom Planet
Shared: Action · Platformer · Indie

Turbo Pug
Shared: Indie · Casual · Pixel Graphics

Axiom Verge
Shared: Indie · Action · Platformer