Games like Apolune 2
Games like Apolune 2 include Bit Blaster XL, Vampire Survivors, LUFTRAUSERS, Planes, Bullets and Vodka, and BALL x PIT. We matched them by the tags players give Apolune 2 on Steam (Action, Arcade, Shooter, Bullet Hell, and Exploration): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shooter · Arcade
Vampire Survivors
Shared: Bullet Hell · 2D · Pixel Graphics
LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell
Planes, Bullets and Vodka
Shared: Action · Arcade · Bullet Hell
BALL x PIT
Shared: Action · Arcade · Bullet Hell
Nova Drift
Shared: Arcade · Bullet Hell · Shoot 'Em Up
ZeroRanger
Shared: Action · Bullet Hell · Shoot 'Em Up
Broforce
Shared: Action · 2D · Pixel Graphics
Alex Jones: NWO Wars
Shared: Action · Arcade · Shooter
Exit the Gungeon
Shared: Arcade · Action · Bullet Hell
Ikaruga
Shared: Arcade · Bullet Hell · Action
Commando Collection
Shared: Action · Shooter · Arcade
DRAINUS
Shared: Action · Shooter · Shoot 'Em Up
Huntdown
Shared: Action · Shooter · Pixel Graphics
METAL SLUG
Shared: Action · Arcade · 2D
Star Saviors
Shared: Action · Bullet Hell · Shoot 'Em Up
DoDonPachi Resurrection
Shared: Shooter · Bullet Hell · Arcade
Cyberhunt
Shared: Action · Arcade · Shoot 'Em Up
Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell
BLUE REVOLVER
Shared: Action · Bullet Hell · Arcade
Super Bit Blaster XL
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Action · Bullet Hell · Shooter
Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Action
Utopia Must Fall
Shared: Arcade · Action · Bullet Hell