Today's been a big day for Spiral Knights updates. Here's a rundown of all the news:

• The Clockworks expansion is now live. There's a new Undead level series, deadly new danger rooms and a revamped crash site.
• Purchase energy packages of $9.95 or more by September 19 and receive a special bonus item from the new Rose Regalia Redux costume set for each purchase.
• The official Spiral Knights soundtrack is now available for purchase on iTunes, Amazon and more.