Games like Shoot Star
Games like Shoot Star include Cuphead, Pizza Tower, Hollow Knight, Alex Jones: NWO Wars, and Nine Sols. We matched them by the tags players give Shoot Star on Steam (Cartoon, 2D Platformer, Shoot 'Em Up, Souls-like, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Cuphead
Shared: Cartoon · Platformer · 2D

Pizza Tower
Shared: 2D Platformer · Cartoony · Platformer

Hollow Knight
Shared: Souls-like · Platformer · 2D

Alex Jones: NWO Wars
Shared: 2D Platformer · Shoot 'Em Up · Action

Nine Sols
Shared: Souls-like · 2D · Action

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Shooter

Guns, Gore & Cannoli
Shared: Action · Shoot 'Em Up · 2D

Have a Nice Death
Shared: 2D Platformer · 2D · Action

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Souls-like · Side Scroller

SHINOBI: Art of Vengeance
Shared: 2D Platformer · Action · Platformer

Anomaly Agent
Shared: 2D Platformer · Souls-like · Side Scroller

DRAINUS
Shared: Shoot 'Em Up · Action · Bullet Hell

Warhammer 40,000: Shootas, Blood & Teef
Shared: 2D Platformer · Shoot 'Em Up · Bullet Hell

Hollow Knight: Silksong
Shared: Souls-like · 2D · Indie

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

Huntdown
Shared: Shoot 'Em Up · Action · Shooter

Rise & Shine
Shared: 2D Platformer · Shoot 'Em Up · Bullet Hell

Zombotron
Shared: Action · 2D · Shoot 'Em Up

SANABI
Shared: 2D Platformer · Action · 2D

Afterimage
Shared: 2D Platformer · Souls-like · Side Scroller

Blasphemous 2
Shared: Souls-like · 2D Platformer · 2D

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Shooter

Intrusion 2
Shared: Action · 2D · Platformer

UDONGEIN X
Shared: 2D Platformer · Shoot 'Em Up · Action