Join the Show
Become a Vendor
Showcase your wares to a passionate community of fans, collectors, and creatures of the night. Apply for a booth and become part of DarknessCon.
Why Join Us
DarknessCon
Great Guests
Film and television celebrities, authors, cosplayers, local organizations, nonprofits, and live entertainers creating a vibrant celebration of horror, creativity, and alternative culture.
New People
A welcoming community of fans, artists, and creators ready to connect. Whether you come alone or with friends, you'll find your people in the darkness.
Have Fun
From celebrity guests and vendors to cosplay, panels, and live entertainment, there's always something exciting happening to keep the fun going all day long.
Navigate the Show
Floor Plan
Embrace the Darkness
Immerse Yourself in the Experience
Step into the world of DarknessCon and become part of the spectacle. From incredible cosplay and haunting performances to unforgettable moments on the show floor, attendees don't just watch the event—they help create it. Whether you're dressed to impress or simply soaking in the atmosphere, DarknessCon is where fans, artists, and creatures of the night come together for a truly unforgettable experience.
Meet the
Special Guests
To Be Announced
Coming Soon
To Be Announced
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To Be Announced
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Denver
Schedule
October 30, 2027 at The Castle Event Center
Secure Your Entry
Get Your Tickets
CarnEVIL — Saturday Night Party
Step right up to the CarnEVIL — DarknessCon Denver's Saturday night party. 18+ only. Ticket required.
18+
Buy Tickets
October 30, 2027 · 8:30pm – 11:30pm · 18+
CarnEVIL
DarknessCon Denver is a Macabre Market at The Castle Event Center in Thornton. Saturday, October 30, 2027, the market is open 12pm to 6pm with free admission, with artists, makers, and dark-culture vendors filling the Castle. When the market closes, the lights dim for CarnEVIL, our Saturday night party. 18+ only, ticket required.
8:30 PM
Starts
11:30 PM
Ends
18+
Age
Venue
The Castle Event Center
Thornton, CO
Convention: 12pm – 6pm
CarnEVIL (18+): 8:30pm – 11:30pm
Host Hotel
DoubleTree by Hilton Hotel Denver - Thornton
Thornton, CO
Get in Touch
Contact Denver
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