Games like Atomanta
Games like Atomanta include ZeroRanger, DRAINUS, Vampire Survivors, LUFTRAUSERS, and Bit Blaster XL. We matched them by the tags players give Atomanta on Steam (Bullet Hell, Action, Shoot 'Em Up, Shooter, and Female Protagonist): closest matches first, and among equally close ones the better-known games.
ZeroRanger
Shared: Bullet Hell · Shoot 'Em Up · Action
DRAINUS
Shared: Action · Shoot 'Em Up · Shooter
Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · 2D
LUFTRAUSERS
Shared: Bullet Hell · Action · Shoot 'Em Up
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
Bright Memory: Infinite
Shared: Action · Female Protagonist · Shooter
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Bullet Hell · Shoot 'Em Up
Broforce
Shared: Action · Pixel Graphics · 2D
Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Action
Jet Lancer
Shared: Action · Shoot 'Em Up · Bullet Hell
Selaco
Shared: Shooter · Female Protagonist · Action
Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Action
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Action · Shoot 'Em Up
Huntdown
Shared: Action · Shooter · Pixel Graphics
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Indie
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Action
BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Action
BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up
Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Bullet Hell · Shoot 'Em Up · Action
Neptunia Shooter
Shared: Bullet Hell · Action · Shoot 'Em Up