Colossalcon — May 27–31, 2026 in Kalahari, Sandusky, OH

Colossalcon is a multi-genre pop culture convention with a strong focus on anime, cosplay, and gaming. Attendees can expect a large waterpark venue, cosplay photoshoots, panels, game shows, tabletop and arcade gaming, an artist alley, dealers' room, and signature events like the Cosplay Contest, Formal Ball, and EDM Overdrive.

Category: anime

Dates: May 27–31, 2026

Location: Kalahari, Sandusky, OH

Official site: https://colossalconprime.com/

Tickets: https://colossalconprime.com/admission/admission/

Plan your visit on HallPass — browse the full schedule, track your budget, plan cosplays, and coordinate meetups.