Welcome to Green Bays, a cluster of mysterious islands that sparkle like jewels in the shimmering ocean! But travellers beware! The islands are not as peaceful as they seem, for they teem with a multitude of monsters both great and small. Green Bays is also home to the famous monster scout challenge. This renowned contest, held once every few years, determines who will be crowned the world's greatest scout. It is time for you to begin your quest to become the greatest monster scout in Green Bays and in history!

Dragon Quest Monsters: Joker is a hot new monster collection RPG for the Nintendo DS. With advanced 3D graphics and a unique multiplayer system - fighting, collecting, training and breeding monsters has never been so much fun! You have the option of challenging your friends via local wireless play or the robust Nintendo Wi-Fi Connection component to see who team is the strongest in the Wildcard World Cup! Battle and trade monsters with your friends via the local wireless play. You can either play head-to-head in teh Standard Battles or participate in the Elimination Tourament to see who's the best out of your friends!