Halloween is becoming big business. This year, consumers are expected to spend a record-busting $13.1 billion on products and activities related to the occasion (including $3.9 billion on candy), according to the National Retail Federation’s annual consumer survey. But tapping into the holiday is nothing new for experiential marketers. Halloween has long inspired some of the industry’s most creative campaigns, and 2025 was no exception.

Event Marketer recently covered the top global stunts, experiential products and installations to honor this trick or treat holiday, including Inspira's work with HI-CHEW on their House of Mystery pop-up, which took place October 24-26 in Irvine, California. 

Check out the highlight here... if you dare!