Wonder Boy III: The Dragon's Trap (Monster World II: Dragon no Wana in Japan) is a game, originally released by Sega. released for the Sega Master System and was later ported to the Game Gear.

The game was released as Dragon's Curse (Adventure Island in Japan), developed by Hudson Soft, for the PC-Engine, TurboGrafx 16,and was later ported to the Virtual Console.