Games like BIRDCAGE
Games like BIRDCAGE include Bit Blaster XL, Sky Force Reloaded, Ikaruga, ZeroRanger, and Bot Vice. We matched them by the tags players give BIRDCAGE on Steam (Shoot 'Em Up, Bullet Hell, Top-Down Shooter, Difficult, and Shooter): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Difficult
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Arcade
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Bot Vice
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
DoDonPachi Resurrection
Shared: Shoot 'Em Up · Top-Down Shooter · Bullet Hell
BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Difficult
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Nex Machina
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
BLUE REVOLVER
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Radiant Silvergun
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Furi
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Mushihimesama
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Star Saviors
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Phoenix Force
Shared: Bullet Hell · Difficult · Shoot 'Em Up
Crimzon Clover World EXplosion
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter