Shadow Dancer

The Good
It's Shinobi enough to be interesting. The bosses are much easier than in the arcade version.

The Bad
1 hit death thus the game is very hard. Ninjitsu is hard to pull off. The bottom up bonus stage is potentially impossible. The sprite flicker makes it where ninja stars go straight through enemies. It has another bonus stage where you are falling that also appears in the Genesis Shadow Dancer & it is do-able.

The Bottom Line
It is much shorter than the arcade game but otherwise similar with easier bosses. If you really like Shinobi its worth a try. If you sorta like Shinobi but can't get to the arcade game it is worth a try as well.