The UK has the largest video game market in Europe, generating £5.2 billion in revenues from 33 billion gamers. The industry employs over 7,000 people in the UK. Activision is one of the largest game companies in America, known for the Tony Hawk and Call of Duty franchises. Rockstar is also a major publisher, known for games like Grand Theft Auto, Red Dead Redemption, and Bully. Major game companies include Activision Blizzard, Take-Two Interactive, and Vivendi, which owns several studios and publishes many popular game franchises.