This game plays like a mix between Wizards and Warriors and Faxanadu. You go around a nonlinear map, collecting money to buy better equipment and fighting enemies to gain levels. The goal is to collect the 8 power jewels before the evil King can summon the demonlord, Shadevoid the Slaughterer.

EDIT: Incase the link in game is broken, here is a link to the manual for the game: http://www.newgrounds.com/dump/item/0b0b667593543f c44dc02b627e80ac8b

There is small instruction manual linked in the game and can also be accessed by clicking "help" in the upper right corner during gameplay. The controls as well as game information is listed there.