Games like Polyfury
Games like Polyfury include Bit Blaster XL, Sky Force Reloaded, Planes, Bullets and Vodka, Chippy, and BALL x PIT. We matched them by the tags players give Polyfury on Steam (Bullet Hell, Shoot 'Em Up, Top-Down Shooter, Score Attack, and Perma Death): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up
Vampire Survivors
Shared: Bullet Hell · 2D · Indie
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Crimzon Clover World EXplosion
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · 2D
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Phoenix Force
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up
KILL KNIGHT
Shared: Bullet Hell · Top-Down Shooter · Score Attack
Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Difficult
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Furi
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Nuclear Throne
Shared: Bullet Hell · Difficult · Top-Down Shooter
Super Star Path
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Nex Machina
Shared: Bullet Hell · Shoot 'Em Up · Arcade
BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Arcade