Onlineworms is an artillery game, which is a type of strategy game. Team17 had Wizgate adapt and tailor the game specifically for the Asian markets in 2001. In 2002 the game had as many as 20,000 simultaneous users playing at any given time.
OnlineWorms was released as a free-to-download online-only game in Korea. The game is based on Worms 2, with minimal changes.