Games like Brave Bubble Heart
Games like Brave Bubble Heart include Vampire Survivors, Enter the Gungeon, Halls of Torment, Megabonk, and BALL x PIT. We matched them by the tags players give Brave Bubble Heart on Steam (Action Roguelike, Bullet Hell, Twin Stick Shooter, Roguelite, and Puzzle): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

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

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

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

Windowkill
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Star of Providence
Shared: Bullet Hell · Action Roguelike · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Snezhinka:Sentinel Girls2
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike

Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Atomicrops
Shared: Bullet Hell · Action Roguelike · Roguelite

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

Time Wasters
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Roboquest
Shared: Action Roguelike · Roguelite · Shooter