Terror stalks the night in Silverton! The prosperous town of Silverton is being held to ransom by Zanbar Bone and his bloodthirsty Moon Dogs. YOU are an adventurer, and the merchants of Silverton turn to you in their hour of need. Your mission takes you along dark, twisting streets, where thieves, vagabonds and creatures of the night lie in wait to trap the unwary traveller. And beyond lies the most fearsome adventure of them all — the tower stronghold of the infamous Zanbar Bone!