Games like Resurrection Core
Games like Resurrection Core include BALL x PIT, Sky Force Reloaded, Bit Blaster XL, Nova Drift, and DoDonPachi Resurrection. We matched them by the tags players give Resurrection Core on Steam (Action, Bullet Hell, Shooter, Arcade, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.
BALL x PIT
Shared: Action · Bullet Hell · Arcade
Sky Force Reloaded
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Bit Blaster XL
Shared: Bullet Hell · Shooter · Shoot 'Em Up
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
DoDonPachi Resurrection
Shared: Bullet Hell · Shooter · Shoot 'Em Up
Planes, Bullets and Vodka
Shared: Action · Bullet Hell · Shoot 'Em Up
Ikaruga
Shared: Bullet Hell · Action · Shoot 'Em Up
LUFTRAUSERS
Shared: Bullet Hell · Action · Arcade
Revolution Ace
Shared: Action · Bullet Hell · Shoot 'Em Up
ZeroRanger
Shared: Bullet Hell · Action · Shoot 'Em Up
Crimzon Clover World EXplosion
Shared: Action · Bullet Hell · Shoot 'Em Up
Star Saviors
Shared: Bullet Hell · Action · Shoot 'Em Up
Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Shooter
DRAINUS
Shared: Action · Shooter · Shoot 'Em Up
Vampire Survivors
Shared: Bullet Hell · Action · 2D
Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Bullet Hell · Action · Shooter
Nex Machina
Shared: Bullet Hell · Action · Arcade
Waves
Shared: Bullet Hell · Shooter · Shoot 'Em Up
ESCHATOS
Shared: Bullet Hell · Shooter · Shoot 'Em Up
BLUE REVOLVER
Shared: Bullet Hell · Action · Shoot 'Em Up
Exit the Gungeon
Shared: Action · Arcade · Bullet Hell
Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade
DEVIL BLADE REBOOT
Shared: Action · Shooter · Shoot 'Em Up