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Portland, OR ~ Summer 2026

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Mysterium > 2025 Registration FAQ

Groups: 2025 Registration FAQ

Do I need to register to attend virtually?

Nope! Our streams are always free, and we do our best to include questions sent from virtual attendees via Twitch chat or our Discord.

Do I need to bring my confirmation email?

Nope! We’ll look you up by name.

Can I use the same email address to register multiple people?

Yes. Every attendee must have their own account on the registration system, but multiple accounts can use the same email address.

Can I edit my registration or buy more swag after registering?

Yes! You can log back into the registration system and make changes to your registration type and purchases at any time. Note, however, that Premium Registrations and swag orders will be locked after their purchase cutoff.

Are there special rules for registering someone under 18?

Yes. You can review our minor policy here.

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T-Shirts: Open through February 27

Pins: Open through February 27

Events: Open through April 30

Activity Book: Open through May 15

Writing & Art: Open (deadline TBD)

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