The following details are from an official Nintendo website: 

Travel to the past to save the present as you restore forgotten lands and battle an unknown evil in this classic Dragon Quest adventure -­ completely reimagined from the ground up for the Nintendo 3DS system. Customize your party from more than 30 vocations and level up in turn-based battles to learn new spells and abilities in this timeless quest!
Features

• Rebuilt visuals and a complete retelling of the story make this a fresh way to experience this classic game.
• Explore a beautifully designed world that you shape as you travel back and forth in time.
• Meet an iconic cast of classic characters and monsters designed by critically acclaimed manga and game artist Akira Toriyama.
• Customize your party from more than 30 vocations and level up in turn-based battles to learn new spells and abilities.
• Expand and share your adventure even more with the StreetPass feature – send and receive traveler’s tablets to explore new dungeons that contain rare monsters and unique equipment.