This week is the scariest time of year, where Seattle will be flooded with costumes, candy, and creepy vibes. Ravers across the Pacific Northwest will go into the heart of the city on October 30th and 31st for the biggest party around: Boo Seattle. Insomniac will once again be bringing in some of the biggest names in EDM for a weekend of friends, frights, and festival fun. For first-time attendees to the WaMu Theatre or Boo Seattle, here’s everything you need to know about what to…





![[EVENT REVIEW] Niteharts’ Triumphant Second Year in San Diego](https://edmsupreme.com/wp-content/uploads/2026/10/image-95-1024x576-218x150.png)