Pixel Shinobi: Nine demons of Mamoru

Summary

In the game Pixel Sinobi you play as a Ninja from the clan "Black Lotus". You have to confront the 9 demons of hell and the clan of Samurai "Steel Claw" who want to enslave the whole world. The title was later re-branded to "Within the Blade" when it was ported for console release in 2021.