Colossalcon Prime

House of Robotic Destruction

May 1st, 2026

The Ohio Robotics Club returns to Colossalcon Prime with the 2026 House of Robotic Destruction (H.O.R.D.)! Witness over 40 custom-built, remote-controlled robots clash in an 8-foot octagonal arena in one-on-one battles of pure mechanized mayhem. With spinning blades, flippers, battering rams, and more, these wireless warriors will compete across three weight classes—Fairy (150g), Ants (1lb), […]

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Colossalcon Prime Introduces: The Underground Market District (18+)

April 30th, 2026

For the first time ever at Colossalcon Prime, we’re opening the doors to the Underground Market District (18+)! A one-night-only, Thursday evening marketplace dedicated to mature art, manga, figures, and more. This late-night experience brings together artists, dealers, and attendees in a fast-paced, curated space built for buying, selling, and exploring content in an 18+ […]

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Guest Panelist Announcement: C.A.T.S.

April 30th, 2026

Believe it or not, we are not actually a group of cats! Con Academy: Teaching the Stuff is a panelist group a long time in the making. Many eons ago, a group of friends came together over a love of anime, gaming, movies, comics and more.  One day, back in (*cough cough*) 2009, that group of like-minded people had […]

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Guest Panelist Announcement: The Manly Battleships

April 29th, 2026

The Manly Battleships® are a group of fun-loving guys and gals that have formed the greatest programming group on the east coast convention circuit. Veteran panelists combine their powers with a circle of long time con-goers, otaku, and deviants to form the new titan at the front of the con scene. The Fleet’s arsenal offers […]

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Guest Announcement: Paradox

April 28th, 2026

Paradox Panels is a group of weirdos from North Carolina who host panels up and down the East Coast. Paradox has been presenting quality panels on anime, kpop, adult content, and more since 2018.

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Colossalcon .5

April 25th, 2026

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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