Wikipedia
PartyPoker (stylized partypoker) is an online poker card room. Launched in 2001, the site is run by GVC Holdings. PartyPoker has had up to 80,000 players logged-in and was the largest online card room until 2006. It is currently the fifth largest online poker card room. The site is endorsed by Mike Sexton, the host of the World Poker Tour television show. The domain partypoker.com attracted at least 3.6 million visitors annually by 2008 according to a Compete.com study. Today, the site is available in 14 different languages and in addition to PartyPoker.com, PartyPoker also offers dedicated networks for French and Italian based players via PartyPoker.fr and PartyPoker.it, respectively.
PartyPoker offers a wide variety of different tournaments with different prize levels for single-table tournaments as well as multi-table tournaments. PartyPoker's Sit & Go tournaments run 24 hours a day and players can register for tournaments with entry fees starting at $1, and ranging in size from 2 to 50 players.