Games like CORA
Games like CORA include Bit Blaster XL, BALL x PIT, Nova Drift, Planes, Bullets and Vodka, and Sky Force Reloaded. We matched them by the tags players give CORA on Steam (Bullet Hell, Shoot 'Em Up, Top-Down Shooter, Shooter, and 2D Fighter): closest matches first, and among equally close ones the better-known games.

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter

BALL x PIT
Shared: Bullet Hell · Arcade · Shoot 'Em Up

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

Vampire Survivors
Shared: Bullet Hell · 2D · Arcade

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade

LUFTRAUSERS
Shared: Bullet Hell · Arcade · Shoot 'Em Up

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Shooter

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

DRAINUS
Shared: Shoot 'Em Up · Shooter · Bullet Hell

BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Mirage Feathers
Shared: Bullet Hell · Shoot 'Em Up · Cute

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Bullet Hell · Shoot 'Em Up · Shooter

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Shoot 'Em Up · Shooter

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Shoot 'Em Up · Bullet Hell · Shooter

Super Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Neptunia Shooter
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist