Sioux City Geek Con (Fall 2026)

Sioux City Geek Con August 28-30, 2026

Registration open:

• Friday: 12:00pm-11:45pm
• Saturday: 8:00am-11:45pm
• Sunday: 8:00am-6:00pm

Scheduled events begin 1 hour after open each day.

Suggested Vendor Hours:

• Friday: 1:00PM-9:00PM
• Saturday: 10:00AM-8:00PM
• Sunday: 10:00AM-4:00PM

Kids are free to attend!

(We consider high school age and below as still a "kid"! If you need a badge for your kid before the convention begins so they can host a game or get event tickets please contact con staff).

What can you expect from the 2026 Sioux City Geek Convention?

Get ready for the ultimate weekend! The 2026 Sioux City Geek Convention (August 28–30) is packed with non-stop action. Whether you’re a casual player or a hardcore enthusiast, here is a glimpse of the adventure that awaits:

The Gaming Hall

Experience over 35 hours of non-stop play!

Tabletop & TTRPGs: From epic campaign sessions and quick dice games to intense Trading Card Game tournaments, your next adventure is just a seat away.

Wargaming Epicness: Don't miss our massive Warhammer 40k Tournament, hosted in collaboration with the legends at Turbulent Games!

Play-to-Win: Try out the library of games graciously donated for our play-to-win section. All weekend long, you can play these games and be entered for a chance to take them home at the end of the convention!

Entertainment & Community

Panels & Stages: Dive deep into your favorite hobbies with engaging discussions, expert demonstrations, and interactive panels hosted by special guests.

Vendor Hall & Artist Alley: Explore a collection of geeky goods, unique collectibles, and original artwork from top-tier creators from the region.

Cosplay Contest: Show off your craftsmanship and stage presence! With categories for all ages, we want to see your fandoms brought to life.

Prizes, Raffles & Kids Zone

Epic Loot: Enter our massive Raffle & Silent Auction featuring a wide variety of new and gently used games and exclusive geeky/pop-culture collectibles.

Kids Zone: We believe in raising the next generation of geeks, and promoting safe, family-friendly hobbies! Our Kids Zone is packed with exclusive games, activities, and prizes.

Best of all? Kids under 18 get in FREE!