Dragon Ninja
Data East did do a good job of including plenty of references to their own properties into Bad Dudes though, in a way that wasn’t really done up until this point, creating their own sort of Data East culture.
beat-em-up
Spartan X
It’s safe to say that none of the many titles in the genre to follow couldn’t have existed without this one.
Spartan X
Though Spartan X began as an arcade game, time seems to have remembered the Famicom version a little bit better.