Lazycow Software has released a new game for the NES (and the C64) clled Wolfing. The game is freely available on their web site. Be sure to check out their site as there are plenty of other games to download freely for more than just the NES.
Ling awakes in Baron Baranov's dungeon. The baron fears all creatures of the night and Ling knows that her dark heritage is the reason for her imprisonment. Can she escape from the dungeon? Can she break her curse?