Mystery Quest is an action-adventure game for the Nintendo Entertainment System where players assume the role of an apprentice wizard seeking to master magical secrets. The objective is to traverse four perilous Mystery Castles in search of four powerful talismans representing wealth, wisdom, happiness, and peace. Players face maze-like passages, hostile creatures, and hidden magical powers throughout their journey.
"As my apprentice, you have been studying a long time to master the secrets of magic. Now the time has come to prove yourself. You must journey to the four Mystery Castles in search of four magic talismans. You will face many perils along the way: the castles are riddled with underground passages and intricate mazes, where you may become lost forever! And strange creatures prowl the castles, ready to pounce upon you when you least expect it! But you will find magic powers hidden along the way, to help you in this Mystery Quest. The magic talismans you seek are the greatest gifts known to man: wealth, wisdom, happiness, and peace. Go now, complete your quest, and prove that you are as great a wizard as I!"