Host Quizzes For Us!

... in San Francisco


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Corporate & Private Quiz Events

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Special Promotions for New Bars!

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6,282 + Quiz Regulars!

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What is Brainstormer?

A team-based trivia challenge hosted at bars and corporate events, providing participants with tons of fun, fruitful knowledge, and prizes! Learn more

Quiz Packs Boost Profits!

Brainstormer’s turn-key quiz packs draw in customers to your bar/restaurant week after week! Learn more

Corporate Services

Whether it’s in the conference room or aboard a boat, our corporate quiz packs are perfect for team-building and fun at any venue. Learn more

Join the Regulars

Brainstormer Regulars are smart and savvy! Create a profile, connect with others, start quizzing, find a date! Learn more
Morgantown Brewing Company Fadó Irish Pub Fadó Irish Pub Coalhouse Pizza O'Neill's Irish Pub San Mateo
Fibbar Magee's Brigid's Irish Pub San Pedro Square Market Rí Rá Irish Pub Portland Fadó Irish Pub
National Press Club Pyramid Alehouse (Berkeley) The Alley Rula Bula SoMa StrEat Food Park
Anna Liffey's Irish Bar and Restaurant Danny Coyle's Fadó Irish Pub Elephant and Castle - Chicago (Wabash) Swank Cocktail & Coffee Club
Molly Malone's Irish Pub and Restaurant Bar Basic Tigín Irish Pub Canterbury Ale House Fadó Irish Pub
Eureka Casino Resort Molly Malone's Irish Pub and Restaurant Kennedy's Irish Pub Fred's Polo Grounds
Murio's Trophy Room Redcoats University of Vermont Murphy's Grand Irish Pub Fadó Irish Pub
McGah's Pub & Pianos House of Guinness Albatross Pub The Underground Pub Shakespeare's Grille & Pub
Napper Tandy Elephant and Castle - Chicago (Huron) Pyramid Alehouse Seattle Katie Bloom's Pacific Coast Brewing Company
Monaghan's Bar Rí Rá Irish Pub Evansville Humpy's Big Island Alehouse Crab Corner Jamison's Roaring Donkey
Y'all Come Back Saloon Pub 317 East Village Tavern McMullan's Irish Pub Rí Rá Irish Pub Arlington
Plymouth Tavern Rogue Ale House Angel City Brewery Humpy's Great Alaskan Alehouse The Vig Alehouse
Fadó Irish Pub Rí Rá Irish Pub Portsmouth O'Bannon's Taphouse Molly Malone's Irish Pub Tigín Irish Pub
Martin Macks O'Neill's Pub and Restaurant Rosamunde Sausage Grill Dan's Irish Sports Bar Ireland's Four Courts
Swirl on the Square Dubliner Noe Valley Shakespeare's Grille & Pub Finnegan's Infusion Lounge
Harvey American Public House Nickies Bar Rose and Crown Pub Murphy's Irish Pub Redcoats - SUNDAYS
Asiento Gashead Tavern Sam's Tavern O'Donoghue's Tavern Lenny's Restaurant
Sauced BBQ & Spirits The Churchill Tavern Pizza Inferno

Daily Challenge

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  • Each day we post a brand new trivia question for you to answer. Take a quiz!

Quiz Regulars!

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  • Connect with other Regulars and Teams * Get Hints * Find a Date! * Add your FREE profile now! Learn more

Join Mailing List

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  • Let us keep in touch with you about news and fun promotions! Join Now!


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  • Learn more about us and meet the crew.