Games like GutBuster
Games like GutBuster include Bit Blaster XL, Nova Drift, LUFTRAUSERS, BALL x PIT, and Alex Jones: NWO Wars. We matched them by the tags players give GutBuster on Steam (Action, Arcade, Shooter, Bullet Hell, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shooter · Arcade
Nova Drift
Shared: Arcade · Bullet Hell · Shoot 'Em Up
LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell
BALL x PIT
Shared: Action · Arcade · Bullet Hell
Alex Jones: NWO Wars
Shared: Action · Arcade · Shooter
Cuphead
Shared: Cartoon · 2D · Bullet Hell
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade
Ikaruga
Shared: Arcade · Bullet Hell · Action
ZeroRanger
Shared: Action · Shoot 'Em Up · Bullet Hell
Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Action · Bullet Hell · Shooter
Star Saviors
Shared: Action · Bullet Hell · Shoot 'Em Up
Commando Collection
Shared: Action · Shooter · Arcade
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Bullet Hell · Shoot 'Em Up
Exit the Gungeon
Shared: Arcade · Action · Bullet Hell
Vampire Survivors
Shared: Bullet Hell · 2D · Arcade
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Action
DRAINUS
Shared: Action · Shooter · Shoot 'Em Up
METAL SLUG
Shared: Action · Arcade · 2D
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shooter · Bullet Hell
Sky Force Reloaded
Shared: Arcade · Shoot 'Em Up · Bullet Hell
Mushihimesama
Shared: Arcade · Action · Bullet Hell
Guns, Gore & Cannoli
Shared: Action · 2D · Shoot 'Em Up
Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Action