Quest of the Ancients

Quest of the Ancients is an independent role-playing game published in the late 1980s by Unicorn Game Publications.
Gameplay.
It is mainly a "Dungeons & Dragons" clone, in that it was character class- and level-based, and used a skill system similar to the "Advanced Dungeons & Dragons" thief skill system. Most notably, it used a thirty sided die (or d30) for combat resolution.
Written by Vince Garcia of Fresno, California, the game system implements a large number of character classes.