The Big Boo

When: 10 p.m. Friday, Oct. 31

Where: BoMA, Downtown

Web: barofmodernart.com

Cost: $10

More than 1,500 guests are expected at the event, where CCAD students will hold a costume contest with prizes for scariest and sexiest costumes. DJs Jimmy Sexton and James Brown will provide the music.

DJ Darude Halloween Party

When: 6-11:30 p.m. Friday, Oct. 31

Where: Mynt Ultralounge, Arena District

Web: myntcolumbus.com

Cost: $10

Darude will perform along with special guest Randy Boyer, and you can also catch sets from DJ Surge and Aus10. $5,000 in cash and prizes are up for grabs during Mynt's Halloween costume contest.

Halloween Bash

When: 9 p.m. Friday, Oct. 31

Where: Ravari Room, Campus

Web: myspace.com/ravariroom

Cost: $8 with costume

Local bands will cover Led Zeppelin, Billy Idol, Amy Winehouse, Stray Cats, Snoop Dogg and Johnny Cash at Ravari's fifth-annual Halloween party. Plus, there's free Hound Dog's Pizza from 9 to 11 p.m.

Metal Nite

When: 10 p.m. Friday, Oct. 31

Where: MustardSeed Cafe, West Jefferson

Web: myspace.com/themustardseedcafe

Cost: $3

Catch performances from heavy metal bands Memory is Tragedy, At His Gate and I Need a Medic, then stick around for a costume contest with cash prizes.

Mojoflo Halloween at After Five

When: 9 p.m. Friday, Oct. 31

Where: After Five Lounge, Brewery District

Web: after5lounge.com

Cost: Free

You can dance the night away to R&B and soul music at this Halloween dance party.

Naughty Hottie Halloween Ball

When: 8 p.m. Saturday, Nov. 1

Where: BoMA, Downtown

Web: barofmodernart.com

Cost: Free with costume

Liquor and beer specials run all night at BoMA's Halloween ball, hosted by Playboy model Beth Fithen. Music's provided by DJ Lady Kate, and Fithen and her Hot Mom Mafia will perform sexy Halloween dance routines. Don't miss the Hugh Hefner look-alike contest.

QFM Halloween Bash

When: 7 p.m. Friday, Oct. 31

Where: LC Pavilion, Arena District

Web: qfm96.com

Cost: $9.63

Southern rockers Jackyl will headline QFM's holiday concert, also featuring American Dog and Dan Orr Project. Costumed concertgoers are eligible to win cash prizes.

Terror on Park Street

When: 9 p.m. Friday, Oct. 31 and Saturday, Nov. 1

Where: Spice Bar, Sugar, Bar Louie, Gaswerks, Park Street Patio and Brothers, Arena District

Web: brothersbar.com

Cost: Spice and Bar Louie will have a cover; once you pay, you can go between bars

About 15,000 revelers are expected to roam through six bars with six different atmospheres as part of the largest Halloween party in Columbus. Besides drink specials and prizes, you'll find activities like apple bobbing, ice luges and costume contests at each bar.

Thrilla at the Villa

When: 6 p.m. Friday, Oct. 31

Where: Alrosa Villa, North Side

Web: alrosavilla.com

Cost: $6

A full schedule of hardcore rock and metal is planned, with performances from Scene of the Crime, Act of Violence, Chukknorus, Black Rue, Our Last Day and Critical Conflict.