Playfish is a creator of social games for friends to play together over social platforms such as Facebook, MySpace, Bebo, Google, iPhone and Android. Each of the company's seven games has been a top 10 hit on Facebook, including Pet Society, which is the platform's most popular game and enjoyed by more than 11 million people every month. Playfish is backed by Accel Partners and Index Ventures, and has offices in London, San Francisco, Beijing and Tromso, Norway.