Games like Cyber Sentinel: Bullet Hell Breach
Games like Cyber Sentinel: Bullet Hell Breach include Nova Drift, Megabonk, Brotato, Deep Rock Galactic: Survivor, and BALL x PIT. We matched them by the tags players give Cyber Sentinel: Bullet Hell Breach on Steam (Bullet Heaven, Action Roguelike, Arena Shooter, Looter Shooter, and Boomer Shooter): closest matches first, and among equally close ones the better-known games.

Nova Drift
Shared: Action Roguelike · Shoot 'Em Up · Arena Shooter

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Brotato
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Arena Shooter

BALL x PIT
Shared: Action Roguelike · Roguelite · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Time Wasters
Shared: Bullet Heaven · Action Roguelike · Arena Shooter

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

R.I.P. - Reincarnation Insurance Program
Shared: Action Roguelike · Bullet Heaven · Looter Shooter

Arms of God
Shared: Bullet Heaven · Action Roguelike · Arena Shooter

SNKRX
Shared: Action Roguelike · Arena Shooter · Shoot 'Em Up

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Vampire Hunters
Shared: Bullet Heaven · Action Roguelike · Boomer Shooter

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

The Spell Brigade
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Death Must Die
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Crab Champions
Shared: Action Roguelike · Looter Shooter · Bullet Hell

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Risk of Rain 2
Shared: Action Roguelike · Looter Shooter · Roguelite

Pathogenic
Shared: Bullet Heaven · Action Roguelike · Top-Down Shooter

Grind Survivors
Shared: Bullet Heaven · Action Roguelike · Looter Shooter