Games like Batsugun
Games like Batsugun include Bit Blaster XL, Vampire Survivors, BALL x PIT, ZeroRanger, and Cuphead. We matched them by the tags players give Batsugun on Steam (Bullet Hell, Shoot 'Em Up, Difficult, Arcade, and Female Protagonist): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · 2D
BALL x PIT
Shared: Bullet Hell · Arcade · Shoot 'Em Up
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Cuphead
Shared: Difficult · Bullet Hell · 2D
Enter the Gungeon
Shared: Bullet Hell · Difficult · Pixel Graphics
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Mushihimesama
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Difficult · Shoot 'Em Up
METAL SLUG X
Shared: Arcade · Shoot 'Em Up · Action
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Dimension Tripper Neptune: TOP NEP
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Bot Vice
Shared: Bullet Hell · Shoot 'Em Up · Difficult
METAL SLUG
Shared: Arcade · Shoot 'Em Up · 2D
Exit the Gungeon
Shared: Arcade · Bullet Hell · Pixel Graphics
Last Command
Shared: Bullet Hell · Difficult · 2D
Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Touhou Luna Nights
Shared: Difficult · Bullet Hell · Female Protagonist
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Super Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Arcade