Games like Danmaku Unlimited 2
Games like Danmaku Unlimited 2 include LUFTRAUSERS, ZeroRanger, Ikaruga, Revolution Ace, and BALL x PIT. We matched them by the tags players give Danmaku Unlimited 2 on Steam (Bullet Hell, Shoot 'Em Up, Indie, Action, and Arcade): closest matches first, and among equally close ones the better-known games.
LUFTRAUSERS
Shared: Bullet Hell · Indie · Action
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Indie
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Indie
BALL x PIT
Shared: Bullet Hell · Action · Arcade
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Indie
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Indie
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Action · Bullet Hell
Nex Machina
Shared: Bullet Hell · Action · Arcade
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Great Soundtrack
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Bullet Hell · Shoot 'Em Up · Action
Vampire Survivors
Shared: Bullet Hell · Indie · 2D
Hotline Miami
Shared: Indie · Action · Great Soundtrack
Exit the Gungeon
Shared: Indie · Bullet Hell · Arcade
Savant - Ascent
Shared: Indie · Action · Shoot 'Em Up
Touhou Fuujinroku ~ Mountain of Faith.
Shared: Bullet Hell · Indie · Action
Mushihimesama
Shared: Bullet Hell · Shoot 'Em Up · Action
Waves
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Shoot 'Em Up · Bullet Hell · Action