A six-number lottery game, often having Megabucks, Pick-6, or Lotto as part of its name, is a form of lottery in which six numbers are drawn from a larger pool (for example, 6 out of 44). Winning the top prize, usually a jackpot, requires a player to match all six regular numbers drawn; the order in which they are drawn is irrelevant. Functionally, these games are similar to five-number games, except, because of the sixth number that needs to be matched, the top-prize odds usually are longer. Therefore, six-number games generally offer a higher top prize. Six-number games (using one drum) were the most popular kind of U.S. lottery game, before two-drum games such as Cash4Life and Mega Millions were created. (These games also draw six numbers; however, five are from one set, while a sixth is drawn from a second pool. These "5+1" games also require all six numbers to be matched for the top prize/jackpot.)
Whether a game draws from one set of numbers, or two, affects how prizes are won. A player choosing the numbers 1, 2, 3, 4, 5, and 6 in a typical six-number (one set of numbers) game, and also for Mega Millions or Powerball (two sets) choosing 6 for the "Mega/Power" ball. Both games played then happen to draw the player's numbers, in this order: 1-2-3-4-6, and 5. The player would win (or share) the top prize/jackpot in the game with one set of numbers; however, in Mega Millions the player would win "only" $500 as the player matched four of the white balls, but not also the "Mega Ball" (assuming the Megaplier option was not chosen.) since, here, 5 is the "Mega Ball" rather than 6. Likewise, in Powerball, the player wins $100.
A game called Lotto 6/49 continues as one of the two national lottery games in Canada (the other being the seven-number "Lotto Max").
Historically, U.S. six-number games cost $1 per play; however, some of these games now have a $2 price point. Several games offer 50¢ plays; however, tickets for these games must be purchased in $1 increments. Most six-number games are drawn twice weekly, often Wednesdays and Saturdays.
One variant of the six-number game (usually $2 per play) generates three sets of six numbers for each play. (An example of this type of game is Pennsylvania's Match 6.) A player wins in the usual manner by matching enough numbers (in any of the three games) against those drawn, and/or matching enough numbers across all three sets of six; such as 5 (or more) of 18.) The jackpot-level prize is won in the "classic" way, by matching all six numbers in one set, rather than the total matched against the 18. (Note that these games allow players to pick only one set of six numbers; the other two sets automatically are generated by the lottery computer system.)