Deep-Ocean Halloween Play Party: Drink, dance, and play truth or dare while you learn more about your own erotic desires at this didactic and sexually charged party. To stave off gawkers, costumes will be mandatory. Fri., Oct. 28, 9 p.m.-2 a.m., $10-$40. Center for Sex & Culture, 398 11th St. (at Harrison), 255-1155, www.pervercity.org.
Disco Circus: Ruben Mancias, Franky Boissy, Craig C., and Bus Station John (one of the city's finest DJs and best-kept secrets) spin unique sets of modern, '70s, and '80s disco at this ghoulishly good party. Obviously, '70s attire is strongly encouraged. Sun., Oct. 30, 8 p.m.-4 a.m., $10-$15. Mighty, 119 Utah (at 15th St.), 626-7001, www.mighty119.com.
DJs Brett Henrichsen and Frank Wild: 1015 opens its doors on Sunday, allowing you to get one last dance in before you have to go trick-or-treating with the kiddies and make sure little Sammy's Spiderman outfit fits perfectly. Sun., Oct. 30, 6 p.m.-midnight, $15-$20. Ten 15 Folsom, 1015 Folsom (at Seventh St.), 431-1200, www.1015.com.
DNA Lounge Halloween Extravaganza: Cabaret comes together with rock, Gothic, industrial, and '80s sounds at this party. Vaudeville troupe Spectacular! Spectacular! joins Rosin Coven and a slew of DJs for a night of debauchery in SOMA. A costume contest for loads of cash should also provoke you to sport the most inspired outfit. Sat., Oct. 29, 9 p.m., $!3. DNA Lounge, 375 11th St. (at Folsom), 626-1409, www.dnalounge.com.
Dolores Park Cafe's Annual Halloween Party: This charming cafe at the corner of Dolores Park throws a party that will be fun for ghouls both big and small. Treats, food, pumpkin carving, folk music, and more round out a night of festiveness for the entire family. How do you like them apples, Tartine? Fri., Oct. 28, 7:30 p.m., free. Dolores Park Cafe, 501 Dolores (at 18th St.), 621-2936, www.doloresparkcafe.org.
Drag Rock 'n' Roll Cover Show and Costume Party: The Ramones, The Runaways, and Devo magically appear again -- or so The Pinheads, The Queens of Noise, and Mongoloid would want you to believe -- at this cover-band night. Also featured is a heated and highly anticipated costume contest. Sat., Oct. 29, 8:30 p.m., $5-$7. Thee Parkside, 1600 17th St. (at Wisconsin), 503-0393, www.theeparkside.com.
Fallout's Halloween Costume Ball: Electro, indie, new wave, and rock 'n' roll beats take a stab at being the hottest party in the Mission this Halloween. DJs Ratz and TS will work on the decks, while you work that costume, which if stunning enough, might win you a prize. Lucky you. Sat., Oct. 29, 9 p.m., $7. 12 Galaxies, 2565 Mission (at 22nd St.), 970-9777, www.12galaxies.com.
Family Halloween Day at Randall Museum: Treats, games, pumpkin carving, little kids dressed up at their most adorable, smiles -- it's so much fun and so super sweet, you'll want to rip your teeth out one by one. Sat., Oct. 29, 10 p.m.-2 a.m., free. Randall Museum, 199 Museum (at Roosevelt), 554-9600, www.randallmuseum.org.
Family YMCA Halloween Festival: You and your family will have to undergo triple bypass surgeries after witnessing the YMCA's horrifying haunted house. Games, crafts, sweets, magic, and more are also on hand for loads of chilling holiday fun. Sat., Oct. 29, 5-7:30 p.m., free. Stonestown YMCA, 333 Eucalyptus Dr. (at 20th Ave.), 242-7100, www.ymcasf.org/Stonestown.
Festival of Fear: You get triple the fright with three visually stunning and actually quite chilling makeshift haunted houses. Yikes! Nightmare Alley, Cut-Throat Cafe, and Evil Jack's Arcade will gleefully scare you, but do leave the toddlers at home with a babysitter. Sat., Oct. 29, 7 p.m.-1 a.m.; Sun., Oct. 30, 7 p.m.-1 a.m.; Mon., Oct. 31, 7 p.m.-1 a.m., $24.95, 861-901-3327, www.gyrofestivaloffear.com. Pier 48, at Terry Francois Blvd..
Frankenstein & Bride of Frankenstein: Double feature of James Whales' classic films from 1931 and 1935, respectively. Wed., Oct. 26, 1, 4 & 7 p.m.; Thu., Oct. 27, 1, 4 & 7 p.m. Castro Theatre, 429 Castro (at Market), 621-6120, www.thecastrotheatre.com.
Gardens Ghoullery Walk: Kids and families are invited to don their finest costumes and join the Halloween festivities in the gardens! Sun., Oct. 30, noon. Zeum, 221 Fourth St. (at Howard), 777-2800.
"Gross, Gruesome, and Gothic": Take a look at the darker side of cartoons as over 60 ghastly and creepy works will be on display. Come to the opening reception in costume and win a prize. Woo hoo! Thu., Oct. 27, 7-9 p.m., $2-$6. Cartoon Art Museum, 655 Mission (at New Montgomery), 227-8666, www.cartoonart.org.
Halloween at Amnesia: Get a good dose of Klezmer, Balkan, gypsy, punk, and rock music from Golem, Knees & Elbows, and DJ Tracheotomy. A perfect party for you and other Missionites who choose to skip the Castro bedlam. Sun., Oct. 30, 9 p.m., $10. Amnesia, 853 Valencia (at 20th St.), 970-0012, www.amnesiathebar.com.
Halloween at Pound-SF: Too young to get (legally) drunk at a club on Halloween? Too old to terrorize the drag queens in the Castro? Instead, head over to Pound SF where the 18-and-over sect will have a merry time listening to hard rock bands Sleepy Time Gorilla Museum, The Kehoe Nation, RU36, and Shinichi Momo Koga. Mon., Oct. 31, 8 p.m., $15-$17. Pound-SF, 100 Cargo (at Pier 96), 826-5009, www.poundsf.com.