Games like Kromaia
Games like Kromaia include Star Saviors, LUFTRAUSERS, Nova Drift, Bit Blaster XL, and Ikaruga. We matched them by the tags players give Kromaia on Steam (Indie, Action, Shoot 'Em Up, Arcade, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Star Saviors
Shared: Shoot 'Em Up · Action · Indie
LUFTRAUSERS
Shared: Indie · Action · Arcade
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Ikaruga
Shared: Shoot 'Em Up · Arcade · Action
Revolution Ace
Shared: Action · Indie · Shoot 'Em Up
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Sky Force Reloaded
Shared: Shoot 'Em Up · Arcade · Bullet Hell
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
BALL x PIT
Shared: Action · Arcade · Bullet Hell
Vampire Survivors
Shared: Bullet Hell · Indie · Action
DRAINUS
Shared: Action · Indie · Shoot 'Em Up
Exit the Gungeon
Shared: Indie · Action · Arcade
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Beat Hazard
Shared: Shoot 'Em Up · Bullet Hell · Indie
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Shoot 'Em Up · Action · Bullet Hell
Cyberhunt
Shared: Indie · Action · Shoot 'Em Up
EVERSPACE™
Shared: Action · Indie · Space
Syder Arcade
Shared: Indie · Shoot 'Em Up · Action
Sine Mora
Shared: Indie · Shoot 'Em Up · Action
Megabonk
Shared: Indie · Bullet Hell · Action
Nex Machina
Shared: Action · Bullet Hell · Indie
UBERMOSH Vol.5
Shared: Indie · Action · Arcade
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action