Heroscape RPG is a modification to Heroscape that describes the rules to play a rather old-fashioned RPG with Heroscape models in Heroscape landscape. Each player acts with a single hero; monsters are being played by the gamemaster.
As the heroes explore the Heroscape world they gain experience, skills and items, while new terrain is being added during gameplay according to the Terrain Generator rules.
http://www.boardgamegeek.com/filepage/38265/heroscape-rpg
Thought this might interest folks. I always knew those Master sets I have in the closet would be useful again someday :)