Games like Sakura Stars
Games like Sakura Stars include Touhou Tenkuushou ~ Hidden Star in Four Seasons., Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, LUFTRAUSERS, Muse Dash, and Planes, Bullets and Vodka. We matched them by the tags players give Sakura Stars on Steam (Arcade, Retro, Bullet Hell, Shoot 'Em Up, and Cute): closest matches first, and among equally close ones the better-known games.

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

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

LUFTRAUSERS
Shared: Arcade · Bullet Hell · Shoot 'Em Up

Muse Dash
Shared: Cute · Female Protagonist · 2D

Planes, Bullets and Vodka
Shared: Retro · Shoot 'Em Up · Arcade

BALL x PIT
Shared: Arcade · Bullet Hell · Shoot 'Em Up

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade

A Dance of Fire and Ice
Shared: Arcade · 2D · Difficult

Vampire Survivors
Shared: Bullet Hell · 2D · Arcade

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

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Neptunia Shooter
Shared: Bullet Hell · Shoot 'Em Up · Retro

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

Mushihimesama
Shared: Arcade · Bullet Hell · Shoot 'Em Up

BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Rabi-Ribi
Shared: Bullet Hell · Female Protagonist · Cute

Touhou Kikeijuu ~ Wily Beast and Weakest Creature.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Mirage Feathers
Shared: Cute · Bullet Hell · Shoot 'Em Up

Touhou Kanjuden ~ Legacy of Lunatic Kingdom.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Shoot 'Em Up · Cute

Dimension Tripper Neptune: TOP NEP
Shared: Arcade · Bullet Hell · Shoot 'Em Up

Touhou Chireiden ~ Subterranean Animism.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Cuphead
Shared: Difficult · 2D · Bullet Hell

DRAINUS
Shared: Shoot 'Em Up · Bullet Hell · Female Protagonist