Wonder Boy III: The Dragon's Trap follows the adventures of a young adventurer as he attempts to escape from an ancient temple. The protagonist is trapped by the evil dragon, Jago, and must navigate through various obstacles and challenges to find a way out.
The gameplay in Wonder Boy III involves exploring different environments, collecting items and power-ups, and fighting enemies to progress through the levels. Players can choose between two characters: a male hero or a female companion, each with their own unique abilities and strengths. The game features a variety of action-packed sequences, including platforming, puzzle-solving, and combat.