Impressive game I must say... The boss challenges are good. My eyes started to hurt as well! But, some patterns here are familiar... Some of the patterns here look like that it came from Touhou. But the game is nice, soundtrack, the bullets, simply marvelous.
 "Echo Bullet"){kind=icon}
 "Homestuck && Touhou"){kind=icon}
 "Berathen Spirit Detective Demo"){kind=icon}