Dragon Quest is another favorite franchise of the RPG powerhouse that is Square Enix. In a recent press release, the Japanese company announced that the series has now sold more than 88 million copies worldwide. We previously learned that the Final Fantasy series has sold more than 180 million copies worldwide. Square Enix is busy working on the next mainline Dragon Quest game which is called Dragon Quest XII: The Flames of Fate and should appeal to a more mature audience compared to previous Dragon Quest games.