Games like Brocat: the B Game
Games like Brocat: the B Game include Jets'n'Guns 2, LUFTRAUSERS, DRAINUS, ZeroRanger, and BALL x PIT. We matched them by the tags players give Brocat: the B Game on Steam (Action, Indie, Shoot 'Em Up, Bullet Hell, and Memes): closest matches first, and among equally close ones the better-known games.

Jets'n'Guns 2
Shared: Action · Indie · Shoot 'Em Up

LUFTRAUSERS
Shared: Indie · Action · Bullet Hell

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Bullet Hell

Star Saviors
Shared: Action · Shoot 'Em Up · Indie

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Indie

Sine Mora
Shared: Indie · Shoot 'Em Up · Action

Shooting Stars!
Shared: Action · Indie · Shoot 'Em Up

RADical ROACH Remastered
Shared: Action · Indie · Shoot 'Em Up

The Void Rains Upon Her Heart
Shared: Indie · Bullet Hell · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Bullet Hell · Shoot 'Em Up

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Indie

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up

Guns, Gore & Cannoli
Shared: Action · Side Scroller · Shoot 'Em Up

Skul: The Hero Slayer
Shared: Action · Indie · Side Scroller

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Action

Vampire Survivors
Shared: Bullet Hell · Indie · Action

Touhou Kikeijuu ~ Wily Beast and Weakest Creature.
Shared: Indie · Bullet Hell · Shoot 'Em Up

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action