Event Partners
Sponsors
Darkness Cosmetics
Mile High FX
Standish913.com
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
Floor Plan Coming Soon
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
Mythica Blessyng
Special Effects Artist, Skin Wars
To Be Announced
Coming Soon
To Be Announced
Coming Soon
To Be Announced
Coming Soon
To Be Announced
Coming Soon
To Be Announced
Coming Soon
To Be Announced
Coming Soon
To Be Announced
Coming Soon
Denver
Schedule
October 31, 2026 at The Castle Event Center
Secure Your Entry
Get Your Tickets
Day Pass
Free admission to DarknessCon Denver. Valid 12pm – 8pm on October 31, 2026. All ages welcome.
Buy TicketsDark Harvest Masquerade Ball
The Dark Harvest Masquerade Ball runs 9pm – 2am on October 31, 2026. Dress to distress. 18+ only.
18+
Buy TicketsVIP Dark Harvest Masquerade Ball
VIP Includes: Two complimentary drinks · Exclusive VIP seating & premium viewing · VIP-only bar · Meet & Greet with special guests, Queens of Darkness & featured performers.
18+
Buy Tickets
October 31, 2026 · 9:00pm – 2:00am · 18+
Dark Harvest Masquerade Ball
The night doesn't end when the convention closes. Step into the Dark Harvest Masquerade Ball — a true masquerade ball where a mask is required and fine attire is the dress code. The evening features the Queens of Darkness, magicians, body painters ready to paint your mask on, aerialists, and more live entertainment throughout the evening. 18+ only. Venue: The Castle Event Center.
9:00 PM
Starts
2:00 AM
Ends
18+
Age
Venue
The Castle Event Center
Thornton, CO
Convention: 12pm – 8pm
Dark Harvest Masquerade Ball (18+): 9:00pm – 2:00am
Host Hotel
DoubleTree by Hilton Hotel Denver - Thornton
Thornton, CO
Get in Touch
Contact Denver
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