Quote Originally Posted by The Satellite View Post
Little Nemo: The Dream Master.
That game is pretty amazing. I remember playing it in a store on an NES that had some kind of countdown timer on it with a bunch of games. I had to have it.

As for my suggestions:
Castlevania 3
The Legend of Zelda(no NES collection is complete without it)
Zelda 2
Ninja Gaiden
Life Force