Games like GROOD
Games like GROOD include Bit Blaster XL, LUFTRAUSERS, Ikaruga, BALL x PIT, and ZeroRanger. We matched them by the tags players give GROOD on Steam (Action, Indie, Shoot 'Em Up, Difficult, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Difficult
LUFTRAUSERS
Shared: Indie · Action · Bullet Hell
Ikaruga
Shared: Shoot 'Em Up · Action · Bullet Hell
BALL x PIT
Shared: Action · Bullet Hell · Arcade
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Star Saviors
Shared: Action · Shoot 'Em Up · Indie
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action
Nex Machina
Shared: Action · Bullet Hell · Indie
Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Shoot 'Em Up
Exit the Gungeon
Shared: Indie · Action · Arcade
Revolution Ace
Shared: Action · Shoot 'Em Up · Indie
Cuphead
Shared: Difficult · Indie · Bullet Hell
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
BLUE REVOLVER
Shared: Shoot 'Em Up · Indie · Action
Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up
Jets'n'Guns Gold
Shared: Shoot 'Em Up · Action · Indie
TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell
TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Shoot 'Em Up · Bullet Hell
Touhou Kikeijuu ~ Wily Beast and Weakest Creature.
Shared: Indie · Shoot 'Em Up · Bullet Hell
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Star of Providence
Shared: Shoot 'Em Up · Indie · Bullet Hell