Games like Vectorium
Games like Vectorium include Beat Hazard, Bit Blaster XL, Planes, Bullets and Vodka, Vampire Survivors, and Waves. We matched them by the tags players give Vectorium on Steam (Twin Stick Shooter, Bullet Hell, Shoot 'Em Up, Rhythm, and Shooter): closest matches first, and among equally close ones the better-known games.
Beat Hazard
Shared: Twin Stick Shooter · Rhythm · Bullet Hell
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Vampire Survivors
Shared: Bullet Hell · 2D · Arcade
Waves
Shared: Bullet Hell · Twin Stick Shooter · Shoot 'Em Up
BALL x PIT
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Cyberhunt
Shared: Twin Stick Shooter · Shoot 'Em Up · Arcade
Assault Android Cactus+
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up
Chippy
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up
Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · Pixel Graphics
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Nex Machina
Shared: Twin Stick Shooter · Bullet Hell · Arcade
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Geometry Wars: Retro Evolved
Shared: Twin Stick Shooter · Bullet Hell · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Minishoot' Adventures
Shared: Twin Stick Shooter · Bullet Hell · Top-Down
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Time Wasters
Shared: Bullet Hell · Twin Stick Shooter · Shoot 'Em Up
Windowkill
Shared: Bullet Hell · Twin Stick Shooter · Arcade
Beat Hazard 2
Shared: Twin Stick Shooter · Rhythm · Bullet Hell
State of Anarchy: Master of Mayhem
Shared: Bullet Hell · Twin Stick Shooter · Shoot 'Em Up
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Metal Slug: Awakening
Shared: Shoot 'Em Up · Twin Stick Shooter · Arcade