The following info and analysis comes from Media-Create...

- Dragon Quest Monsters 2 sold 443,656 copies in its first week
- Dragon Quest Monsters sold 513,183 copies in its first week
- Dragon Quest Monsters was sold out for weeks in Japan
- Dragon Quest Monsters 2 is not sold out
- Dragon Quest Monsters sold around 83,000 copies in its second week, bringing total sales to 596,512 copies sold
- Dragon Quest Monsters 2 sold over 118,000 copies in its second week, bringing total sales to 562,083 copies sold
- Dragon Quest Monsters 2 may outsell the original by its third week