Games like Ozone Guardian
Games like Ozone Guardian include Bit Blaster XL, Nova Drift, 20 Minutes Till Dawn, Planes, Bullets and Vodka, and Chippy. We matched them by the tags players give Ozone Guardian on Steam (Casual, Arena Shooter, Bullet Hell, Shoot 'Em Up, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Casual
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arena Shooter
20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Planes, Bullets and Vodka
Shared: Casual · Shoot 'Em Up · Bullet Hell
Chippy
Shared: Bullet Hell · Arena Shooter · Shoot 'Em Up
SNKRX
Shared: Arena Shooter · Shoot 'Em Up · Top-Down Shooter
BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Brotato
Shared: Bullet Hell · Arena Shooter · Survival
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
State of Anarchy: Master of Mayhem
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up
Cyberhunt
Shared: Casual · Shoot 'Em Up · Arcade
Titan Attacks!
Shared: Arena Shooter · Bullet Hell · Shoot 'Em Up
Vampire Survivors
Shared: Bullet Hell · Casual · 2D
Time Wasters
Shared: Bullet Hell · Arena Shooter · Shoot 'Em Up
Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · Arena Shooter
DoDonPachi Resurrection
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Arms of God
Shared: Bullet Hell · Arena Shooter · Top-Down Shooter
Geometry Wars: Retro Evolved
Shared: Casual · Bullet Hell · Arcade
FatalZone
Shared: Bullet Hell · Arena Shooter · Top-Down Shooter
Apocalypse Party
Shared: Casual · Bullet Hell · Top-Down Shooter
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Casual
X Invader
Shared: Arena Shooter · Shoot 'Em Up · Bullet Hell