This Weekend

• Beers and Beats: The Bay Brewed at Public Works
  
  Take your time, you've got more than five hours of free tastings from 21st Amendment, Magnolia, and Triple Voodoo.
  
  And the bands: Indie rock acts include Bear in Heaven and Sonny & the Sunsets.
  
  Sat 12:30-6p. Public Works, 161 Erie St., The Mission (415-932-0955). $50 here, $60 door.
  
  Nearby: The Armory Club, Zeitgeist, Brick & Mortar Music Hall
  

• Cold Weather Carnival: Sports Basement's SnowFest
  
  Grab gear you need for the slopes with the help of Sports Basement's annual preseason party.
  
  The perks: There's free food, wine, beer, and giveaways of lift tickets, a GoPro HD camera, and Rossignol skis.
  
  Fri 4-8p. 610 Old Mason St, Presidio (415-437-0100). Free.
  
  Nearby: Dixie, House of Air, Presidio Social Club

• National Finals: Fernet-Branca Barback Games at The Regency Ballroom
  
  See who's got what it takes as the country's best barbacks compete in an Olympic-style match of guts and glory.
  
  Fight or flights: Whether you join in the competition or sip from the sidelines, there are challenges and debauchery to keep everyone entertained.
  
  Sun 8p-12:30a. The Regency Ballroom, 1300 Van Ness, Tenderloin/Polk Gulch (415-673-5716). RSVP for free entry.
  
  Nearby: Whiskey Thieves, Hemlock Tavern, Playland

• Urban Adventure: Come Out & Play SF in SoMa
  
  San Francisco transforms into a citywide playground of art, experimentation, and life-size gaming.
  
  Game on: Navigate a laser maze, relax in the Board Game Lounge, and chase competitors through city streets with more than 20 games taking place throughout SoMa.
  
  Sat-Sun Noon-5p. SOMArts, 934 Brannan St. Victoria Manalo Draves Park, Folsom St & Sherman St, SoMa. RSVP to skip the lines.
  
  Nearby: City Beer Store, Bloodhound, Rumors

• Steamed, Fried, and Shanghai'd: Cocktail Pairing Demonstration at E&O
  
  Catch master mixologist Carlos Yturria as he shares his secrets, dishes out tastings, and pairs each drink with a pan-Asian bite from the E&O menu.
  
  On the Menu: Expect three exotic concoctions that blend obscure spirits with passion fruit, pineapple, and other citrus flavors.
  
  Sun 5-7p. E&O Asian Kitchen, 314 Sutter St., Financial District (415-693-0303). $20 here
  
  Nearby: Rickhouse, The Occidental Cigar Club, Burritt Room