Games like Killon
Games like Killon include Vampire Survivors, Bit Blaster XL, Planes, Bullets and Vodka, LUFTRAUSERS, and ZeroRanger. We matched them by the tags players give Killon on Steam (Indie, Action, Shoot 'Em Up, Arcade, and Retro): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Indie · 2D
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Retro
LUFTRAUSERS
Shared: Indie · Action · Arcade
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Cyberhunt
Shared: Indie · Action · Shoot 'Em Up
BALL x PIT
Shared: Action · Arcade · Bullet Hell
Sky Force Reloaded
Shared: Shoot 'Em Up · Arcade · Bullet Hell
Nova Drift
Shared: Shoot 'Em Up · Arcade · Bullet Hell
UFO 50
Shared: Indie · Action · Retro
DRAINUS
Shared: Action · Indie · Shoot 'Em Up
Revolution Ace
Shared: Action · Indie · Shoot 'Em Up
Ikaruga
Shared: Shoot 'Em Up · Arcade · Action
Exit the Gungeon
Shared: Indie · Action · Arcade
Star Saviors
Shared: Shoot 'Em Up · Action · Indie
Broforce
Shared: Action · Indie · 2D
DoDonPachi Resurrection
Shared: Shoot 'Em Up · Arcade · Bullet Hell
Huntdown
Shared: Action · Shoot 'Em Up · Shooter
UBERMOSH Vol.5
Shared: Indie · Action · Arcade
BLUE REVOLVER
Shared: Indie · Shoot 'Em Up · Action
Hotline Miami
Shared: Action · Indie · Retro
Super Galaxy Squadron EX Turbo
Shared: Shoot 'Em Up · Action · Indie
Super Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Blazing Chrome
Shared: Action · Indie · Retro