Almost 12 years after the launch of its predecessor, Diablo III has now been released. The game went live last night with over 8,000 midnight launch parties across the world. 2,000,000 players showed up for the beta test prior to launch, including 300,000 concurrently during an open beta weekend, but even so, the login servers struggled for the first few hours after launch. Diablo III had been in the works for quite some time — another example of Blizzard's notoriously long development cycle — and game director Jay Wilson said it was in "polish mode" for the past two years. "One of our sayings internally is 'polish as you go.' We have a belief that when you put a feature in, you should prototype, but then after you prototype you should do the real thing, and you should polish it to shipping quality." For those of you who are familiar with this type of game, there's an official game guide in which you can browse class skills, items, and other game information. There are also YouTube videos showing how each of the classes work.