Independent developer and publisher Artix Entertainment has collected a total of more than 150 million registered users across its browser-based single-player RPGs and MMORPGs.
Founded in 2002 and based in Land O' Lakes, Florida, Artix has released a number of fantasy and science fiction-based titles -- its most popular games are AdventureQuest Worlds, DragonFable, MechQuest, EpicDuel, HeroSmash,
and the original AdventureQuest
Artix managed to reach this milestone just two years after it surpassed 100 million players, which the developer says equates to over 70,000 new users signing up daily. The company says it's able to retain users, too, with weekly updates adding new content and storylines.