The Legend of Zelda 2: Link no Bouken
Platform: Nintendo Entertainment System
Region: Japan
Media: Disk
Controller: NES Gamepad
Genre: Adventure 
Gametype: Undefined
Release Year: 1987
Developer: Nintendo
Publisher: Nintendo
Players: 1
_________________________
There are six palaces hidden in Hyrule. Link must gain experience by fighting Ganon's underlings, and get information while visiting towns here and there. And, after defeating the guardians at the palaces of Death Valley, he must obtain the Triforce of Courage -- That is Link's mission.

http://www.gamefaqs.com/console/fds/home/578370.html