NCsoft and ArenaNet announced today that the Guild Wars franchise has sold over six million copies worldwide. This announcement comes days before the fourth year anniversary of the launching of the series' first title, Guild Wars Prophecies. ArenaNet is celebrating these milestones with new quest content, additional storage options and in-game birthday festivities starting on April 28.

"We are humbled by how gamers have responded to Guild Wars over the past four years, and we are proud that the game and its community have helped to continually shape, define, and expand the genre," said ArenaNet studio head Mike O'Brien. "Our subscription-free business model has proven to be a big hit with gamers, bringing an enormous and diverse online community to the game."