Dungeon Master II: The Legend of Skullkeep

[From the box]: Castle Skullkeep awaits...Immerse yourself in the most extensive 3D adventure ever pressed for the Mega CD. Within the expansive grounds of Castle Skullkeep, the pieces of the Zo Link are hidden. You and a hand picked party must stop evil forces from acquiring this powerful techology in an RPG journey with depth you've never experienced - but always craved. - Hundreds of puzzles to solve, hours of entertainment. - Assemble a four member party from a gallery of the most outrageous adventurers to be devised.