Although not officially disclosed, based on estimates, it is one of the most developmentally expensive games ever made. The game had one million subscribers within three days of its launch, making it the world's "fastest-growing MMO ever", though in the following months the game lost a fair share of its subscriptions.The game is no longer subscription only and has a free-to-play option.The game was met with positive reception upon release and has received several updates and expansion packs. Several books and comics based on the game Swtor Credits US have been released. It is estimated that the game made $139 million in additional revenues, in addition to the subscription income, in 2013 http://www.swtorfast.com/