Games like CRUST SHMUP
Games like CRUST SHMUP include Bit Blaster XL, Planes, Bullets and Vodka, Halo Infinite, Touhou Kouryudou ~ Unconnected Marketeers., and Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil. We matched them by the tags players give CRUST SHMUP on Steam (Action, Bullet Hell, Shoot 'Em Up, Shooter, and Minimalist): closest matches first, and among equally close ones the better-known games.

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter

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

Halo Infinite
Shared: Action · Shooter · Free to Play

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

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

LUFTRAUSERS
Shared: Bullet Hell · Action · Shoot 'Em Up

SUPERHOT
Shared: Action · Shooter · Singleplayer

Delta Force
Shared: Action · Free to Play · Shooter

Vampire Survivors
Shared: Bullet Hell · Singleplayer · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell

Aimlabs
Shared: Action · Shooter · Free to Play

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Call of Duty®: Warzone™
Shared: Action · Shooter · Free to Play

Apex Legends™
Shared: Shooter · Action · Free to Play

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Bullet Hell · Shoot 'Em Up

Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Action

Star Saviors
Shared: Bullet Hell · Action · Shoot 'Em Up

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

Call of Duty®
Shared: Action · Shooter · Singleplayer

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

RADical ROACH Remastered
Shared: Action · Shoot 'Em Up · Bullet Hell

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action

KovaaK's
Shared: Action · Shooter · Singleplayer

Paladins®
Shared: Action · Shooter · Free to Play