Games like Gamma Zero
Games like Gamma Zero include BALL x PIT, Sky Force Reloaded, Vampire Survivors, Bit Blaster XL, and Cyberhunt. We matched them by the tags players give Gamma Zero on Steam (Action, Shoot 'Em Up, Bullet Hell, Pixel Graphics, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.
BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action
Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Action
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Action
Cyberhunt
Shared: Action · Shoot 'Em Up · Indie
LUFTRAUSERS
Shared: Bullet Hell · Action · Pixel Graphics
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Hotline Miami
Shared: Action · Pixel Graphics · Top-Down
Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · Action
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Star Saviors
Shared: Shoot 'Em Up · Action · Bullet Hell
Halls of Torment
Shared: Bullet Hell · Pixel Graphics · Action
Nuclear Throne
Shared: Pixel Graphics · Action · Bullet Hell
BLUE REVOLVER
Shared: Shoot 'Em Up · Bullet Hell · Action
UBERMOSH Vol.5
Shared: Action · Pixel Graphics · Bullet Hell
Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Top-Down
UBERMOSH
Shared: Action · Pixel Graphics · Arcade
Crimzon Clover World EXplosion
Shared: Action · Shoot 'Em Up · Bullet Hell
Bot Vice
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell
Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Action