Universal Horror Unleashed is a 110,000-square-foot (2.5-acre) self-guided, walk-through haunted attraction at Area15, an entertainment complex located in Las Vegas, Nevada. Announced in January 2023, it is the second horror-themed experience from Universal Destinations & Experiences, after Halloween Horror Nights. The attraction opened on August 14, 2025. A second location in Chicago is set to open in 2027.