Since going free-to-play, action-RPG MMO Tera has added 500K active subscribers to raise the total to over 1M, according to En Masse.
When the game relaunched as Tera: Rising, the studio added 6 new servers to deal with the high demand. The users have created 1.5M characters, the most popular of which are the Castanic race, followed by humans and high elves. Warriors, sorcerors and archers are the most popular classes in that order.