Editors' pick

Halloween Monster Jam and Halloween Monster Bash

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Editorial Review

HiBall Events, which has thrown Halloween parties for 15 years, is expanding its offerings this year with the Monster Jam, an afternoon pre-party from 4 to 8 that serves as a warm-up for the Monster Bash, which runs from 8 to 1. Both events feature the same entertainment -- cover band Burnt Sienna, rockers Mr. Greengenes and DJ Lil' Fos -- and should draw similar crowds of 25- to 35-year-old Arlingtonians.

Costume contest prizes: At the Jam, first prize is $100 and two Shamrockfest VIP tickets, with smaller prizes for the hottest and most original costume. The Monster Bash gives $200 for best costume, and $100 and $50 for the runners up, plus $50 for the most original. Entry forms are available at http://www.hiballevents.com.