they changed the name
https://igg-games.com/pixel-shinobi-265811998-nine-demons-mamoru-free-download.html
"Update 1.1.0.1

I hated to do this, but in order to avoid copyright problems, I have to change the name of the game. Sorry guys"

Challenging fast-paced pixel-art.
https://youtu.be/Swpon3Da6Q4

when did pixel shinobi ninja change it's name?
for clarificaiton, the old name was Pixel Shinobi: Nine demons of Mamoru

easy and crazy
https://www.youtube.com/watch?v=l1SmvJJ4Y_A

Thanks 👌