Jam City

Jam City is an American video game developer and publisher. It has also developed mobile games around brands from Disney and Warner Bros. Games, including Harry Potter: Hogwarts Mystery. Most of its games are free-to-play and use microtransactions.

Jam City has studios in Los Angeles, where it is headquartered, as well as Burbank, San Diego, San Francisco, Buenos Aires, Montevideo and Toronto. It was founded in 2010 by Chris DeWolfe, Colin Digiaro, Aber Whitcomb and Josh Yguado. Netmarble is its largest shareholder. Its games have nearly 1.5 billion downloads.

Jam City was formerly known as MindJolt and then SGN, and rebranded as Jam City in September 2016. In 2018, it reached a multi-year deal with Disney to develop licensed games based on Disney and Pixar stories and characters.