Delight at watching other people freeze their tail ends off by taking a plunge in the bay for a good cause in Aquatic Park; it’s time for the Polar Plunge to benefit the Special Olympics of Northern California. Unlike the Escape From Alcatraz triathlon, these nearly 1,000 brave souls won’t be more...

Alienware is traveling around the US to show off it’s next generation gaming system with an epic Call of Duty: Ghosts battle and EDM dance party. Alienware “The Landing Tour” San Francisco Thursday, February 20, 2014 – 7:00 pm Folsom Street Foundry | 1425 Folsom St, San Francisco, CA >> FREE with RSVP Stopping in more...

Feathers will fly at this fun, flash-mob type event which takes place on Valentine’s Day, just as the Ferry Building clock tower strikes 6 pm. It’s Pillow Fight. Nearly 1,000 San Franciscans descend on Justin Herman Plaza with feather-stuffed pillows to run Braveheart-like at full speed at one another to lovingly more...

Jericho is an urban spy game with Nerf guns played sneaky in public settings all over SF like malls and parks, where everyone assumes the role of a spy like a giant secret game of Capture the Flag. Each team of “agents” will carry out missions where they will need to more...

It’s winter, so it must be time for snow in San Francisco, right? Kids can sled down a big snow hill as Mayor Ed Lee hosts the 4th Annual Free Holiday Snow Park in front of city hall with tons of snow on Saturday & Sunday, December 14 & 15, 2013. From more...

Improv Everywhere’s MP3 Experiment returns to San Francisco for the first time in two years for a participatory public event at The Esplanade at Yerba Buena Gardens at 1 pm on Tuesday, November 19, 2013. Download an mp3 file to your phone and then head out to Yerba Buena Gardesn and blend in with more...

Come Out & Play 2013 is a free annual festival of public street games bringing city-sized fun to San Francisco on November 9-10, 2013. Think urban spy games, giant capture the flag games, as well as brand new creations and iterations like Capture the Tag, Mime Boxing, Batonk, Monster Stomp and tons more. Games more...

Journey to the End of the Night is a free street game / scavenger hunt of epic proportions with nearly 2,000 people participating, all by foot or by Muni. It is a race/chase through city streets at night starting at 6 pm on Saturday, November 9, 2013. Journey to the End of more...

An annual, worldwide event that inspires city dwellers everywhere to transform metered parking spots into temporary parks for the public good, Rebar’s PARK(ing) Day is coming back to the city on Friday, September 20, 2013. These city-wide pop-up mini-parks can be used as performance spaces, reading lounges or just resting places by passerbys, more...

Scallywags and sailors alike unite every year on September 19, 2013, to don their seafaring finest and to lend their conversation some swagger in honor of International “Talk Like a Pirate Day.”  Although there are no “official” events planned, check out an international map on the Pirate Day website for any more...

Play secret agent for a day and scour the San Francisco Main Library Library and the streets of San Francisco to solve clues, crack codes, and help bring a rogue government operative to justice in this information-based scavenger hunt based on Cory Doctorow’s Little Brother.  Assemble a crack team of puzzle solvers, more...

Oakland/SF/Detroit dance party repeat offenders The Whip brings you San Francisco’s only Musical Chairs Party.  Now, the concept of this here late night party at the Make-Out Room is absolutely no different than the childhood game of yore. Round and round she goes, where she stops, nobody knows. Musical Chairs Dance Party Wednesday, September 11, more...

Arrrgh Matey, the real race is here at last. Who has what it takes to win the Pirate’s Cup? Gather all sailors, pirates, and swashbucklers for a rooftop party and miniature boat race at Lombardi Sports on August 25, 2013. Pirate’s Cup Party Sunday, August 25, 2013 (Noon-5p) Lombardi Sports Rooftop, 1600 Jackson St., SF FREE more...

Fight the bitter cold summers of SF by throwing on your classiest outfit and spending a fun afternoon at Ocean Beach from 12:30-4:30 pm on Sunday, August 18, 2013. Bring your sporting equipment, board games, water toys, sandcastle tools, kites, or anything you think would be fun to have at the more...

Kites aren’t just for kids any more. Experience the artistry of modern kite flying at the 28th Annual Berkeley Kite Festival & West Coast Kite Championships. This annual festival for 2013 features giant creature kites as big as houses, high flying kite fights, plus free kite-making and candy drops for more...