The NES Bio Hazard is an unlicensed port of Resident Evil (known as Biohazard in Japan). While only Jill's story is present, the script and gameplay follow the original closely, with the combat system being similar to that of Resident Evil Gaiden.
An English fan translation can be found here.
Hidden Credit#
During the game, press Up, Up, Down, Down, Left, Left, Right, Right, A to display a screen showing the developer/publisher's full name, "Fuzhou Waixing Computer Technology Co., Ltd."