Colossalcon Prime

Guest Announcement: Scarlett Mafia

October 29th, 2025

Formed in 2004, Scarlett Mafia began as a small masquerade skit group and has since evolved into a full-fledged burlesque and sideshow troupe fueled by a shared love of anime, pop culture, and all things nerdy. Over the years, they’ve honed their craft into a unique brand of nerdlesque entertainment, blending cosplay, comedy, choreography, and […]

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Colossalcon Prime 2026 Artist Alley

October 1st, 2025

Artist Alley Applications for Colossalcon Prime 2026 are now open! Submissions close January 23rd, 2026 at 11:59 pm. Acceptance and waitlist notifications will begin January 31, 2025. Follow the link below to apply now!

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Admission for Colossalcon Prime 2026 Now Available!

September 26th, 2025

This year, getting your badge is easier than ever, no promo codes needed! Instead of hunting for discounts, we’ve built them right into the registration system. As we get closer to the event (or as allotments sell out), badge prices will increase in set tiers. The earlier you register, the more you’ll save, but once […]

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Set Sail with the Colossalcon Cruise!

June 30th, 2025

Set sail with Colossalcon like never before! The Colossalcon Cruise is a tropical getaway combining all the fun of a convention with the relaxation of a vacation. Join the cruise team for a one-of-a-kind experience at sea, featuring themed meetups, cosplay photoshoots, parties, and more, all while cruising to sunny destinations. Don’t miss your chance […]

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Colossalcon .5

June 24th, 2025

Colossalcon .5 returns in 2025 on Saturday, August 2, 2025, from 11:00 pm until 6:00 am! Admission: $35 Each year, we take over Fun ’n’ Stuff in Macedonia Ohio for a night of go-karts, free play arcade games, laser tag, mini golf, and more! $35 gets you access to all of the following at no […]

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Colossalcon Prime 2025

June 10th, 2025

Thanks again for another great year! The convention wouldn’t have been as great without you, our attendees, vendors, staff, and guests! We will see you next year for Colossaclon Prime 2026! We want to hear what made Colossalcon great for you, or what you think we can do to make it even better! Please take […]

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