Wizardry: Proving Grounds of the Mad Overlord - NESVenture into the enigmatic depths of Wizardry: Proving Grounds of the Mad Overlord for the NES and experience the formative dungeon crawling RPG that captured the imaginations of a generation. As the leader of a courageous party, you'll navigate through a treacherous labyrinth filled with devious traps, fierce monsters, and magical secrets. Strategize every move in turn based combat as you explore this richly detailed, grid based world where danger