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NOCTURNAL: An Adult Halloween Costume Party
A 21+ Halloween costume party in Denver features a live band and DJs, with a $2,500 costume prize; it runs from 9 p.m. to 1 a.m.
AI summary · From the event listing
October 31, 2026 · 9 PM – 1 AM
Bierstadt Lagerhaus, 2875 Blake Street, Denver · $33.85 ·
Keep your plans in one place. Free account.
The costume contest prize is $2,500; admission is listed at $30 for general admission.
AI · From the event listing
Organizer’s description
Denver's 21+ Halloween costume party: live band & DJs, $2,500 costume prize, GA $30. Oct 31, 9PM-1AM
RiNo
Hosted by Eventism Productions
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