Mega Millions is a popular lottery game in the United States, known for its large jackpots. Players select five numbers from a set of 70 white balls and one number from a set of 25 gold Mega Balls. Drawings occur twice a week, on Tuesday and Friday nights. To win the jackpot, players must match all six numbers drawn. There are also smaller prizes for matching fewer numbers. The game is played in 45 states, along with the District of Columbia and U.S. Virgin Islands, making it accessible to millions of participants.