Key facts about Zynga

BANGALORE (Reuters) - Zynga filed on Friday for an initial public offering of up to $1 billion, the latest in a series of hot social media companies to seek capital in the U.S. public markets.

Here are a few facts about the company, the top game publisher on Facebook:

- Zynga was named after company founder Mark Pincus' American bulldog, Zinga.

- The name Zinga is a nod to a legendary African warrior queen.

- Peter Thiel, an investor in Zynga, was the co-founder of PayPal. He was also one of the earliest investors in Facebook and currently sits on its board of directors.

- Zynga is the world's largest social game developer with more than 250 million monthly active users.

- Zynga's games collectively have 232 million active monthly users, and 60 million daily active users.

- Zynga's popular games include FarmVille, Mafia Wars.

- Zynga is the fourth company to be founded by Mark Pincus. Pincus also started social-networking site Tribe.net, software company SupportSoft, which eventually went public, and FreeLoader, his first company, which opened in 1995.

- Jeffrey Katzenberg, CEO of DreamWorks Animation, sits on the Zynga board.

(Compiled by Brenton Cordeiro and Tanya Agrawal in Bangalore; Editing by Sriraj Kalluvila)