Bingo card of Bingo a winning card may be the first person to complete row #3. Because the "N" column contains a free space, the maximum number of cards that guarantee a unique winner is (15*15*15*15) = 50,625. Because the players need to only focus on row #3, the remaining numbers in rows #1, #2, #4, and #5 are statistically insignificant for purposes of game play and can be selected in any manner as long as no number is duplicated on any card. Perhaps the most common pattern set, known as "Straight-line Bingo" is completing any of the five rows, columns, or
National Bingo Game jackpots for the first time and the National Bingo Game introduced the "Big N" – an optional £1 jackpot charge to players which gave them a chance to play for a gold, silver or platinum jackpot which could exceed £1 million. Ticket sales for the jackpot were lower than anticipated and the prize was not won for a number of months, before the National Bingo Game decided to reduce the participation charge to 50p, but make it compulsory from January 2008. As a result of this move 3 millionaires were created in the 6 months that followed, but Gala Bingo's