Games like Cybxus Heart
Games like Cybxus Heart include Bit Blaster XL, Nova Drift, LUFTRAUSERS, Vampire Survivors, and Ikaruga. We matched them by the tags players give Cybxus Heart on Steam (Action, Bullet Hell, Shoot 'Em Up, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Action · Arcade
Vampire Survivors
Shared: Bullet Hell · 2D · Action
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Action
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action
Star Saviors
Shared: Bullet Hell · Action · Shoot 'Em Up
BALL x PIT
Shared: Action · Bullet Hell · Arcade
DRAINUS
Shared: Action · Shoot 'Em Up · Shooter
Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Bullet Hell · Shoot 'Em Up · Action
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Exit the Gungeon
Shared: Action · Arcade · Bullet Hell
Jets'n'Guns Gold
Shared: Shoot 'Em Up · Action · Bullet Hell
DoDonPachi Resurrection
Shared: Bullet Hell · Shoot 'Em Up · Action
Mushihimesama
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Action · Shoot 'Em Up
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Bullet Hell · Shoot 'Em Up
Windowkill
Shared: Action · Bullet Hell · Arcade
Savant - Ascent
Shared: Action · Shoot 'Em Up · Bullet Hell
Crimzon Clover World EXplosion
Shared: Action · Bullet Hell · Shoot 'Em Up
Zombotron
Shared: Action · 2D · Shooter