NCsoft, and ArenaNet has announced that on the cusp of its fourth anniversary, the Guild Wars franchise has exceeded six million units sold. Guild Wars is the award-winning and genre-defining series that is one of the most popular and successful online role-playing games in the industry.

To commemorate these milestones, ArenaNet has just released a major content update, including anew quest content and extra storage options. Additional in-game birthday festivities will be available starting on April 28th, the official anniversary of the game. For more information on the fourth anniversary updates, go to http://www.guildwars.com/community/news.

The Guild Wars universe contains three campaigns and an expansion pack: Guild Wars, Guild Wars Factions, Guild Wars Nightfall, and Guild Wars: Eye of the North. Last fall, NCsoft released Guild Wars Trilogy that combines all three campaigns with additional bonus items.