Games like Crystal Breaker
Games like Crystal Breaker include Vampire Survivors, BALL x PIT, LUFTRAUSERS, Planes, Bullets and Vodka, and Bit Blaster XL. We matched them by the tags players give Crystal Breaker on Steam (Action, Arcade, Shoot 'Em Up, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Pixel Graphics · 2D · Bullet Hell

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

LUFTRAUSERS
Shared: Arcade · Action · Pixel Graphics

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Action

DRAINUS
Shared: Action · Shoot 'Em Up · 2D

ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade

Timberman
Shared: Action · Pixel Graphics · 2D

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

Exit the Gungeon
Shared: Arcade · Action · Pixel Graphics

Mushihimesama
Shared: Arcade · Shoot 'Em Up · Action

SANABI
Shared: Action · Pixel Graphics · 2D

Dimension Tripper Neptune: TOP NEP
Shared: Action · Arcade · Shoot 'Em Up

DEVIL BLADE REBOOT
Shared: Action · Shoot 'Em Up · Pixel Graphics

BLUE REVOLVER
Shared: Shoot 'Em Up · Action · Arcade

Jet Lancer
Shared: Action · Shoot 'Em Up · Pixel Graphics

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

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

ICEY
Shared: Action · Female Protagonist · 2D

Neptunia Shooter
Shared: Action · Shoot 'Em Up · Pixel Graphics

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Arcade · Action

Graze Counter
Shared: Action · Shoot 'Em Up · Arcade

Kill The Crows
Shared: Action · Arcade · Pixel Graphics

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Action