Bingo

Bingo is a game of possibility where randomly-selected numbers are drawn and players match those numbers to persons appearing on 5x5 matrixes which are printed or automatically represented and are known as "cards." The first person to have a card where the drawn numbers form a particular pattern is the winner and calls out "Bingo!" to alert others to the win. Bingo is a game used for lawful gambling in some countries.

In New Zealand, Australia, and Britain, a very alike game called housie is played, which differs only in ticket layout and calling.

Description of the game
Each bingo player is known a card marked with a grid containing a unique combination of numbers and, in some countries, blank spaces. The winning prototype to be formed on the card is announced. On each turn, a non-player known as the caller arbitrarily selects a numbered ball from an urn and announces the number to all the players. The ball is then set aside so that it cannot be selected again. Each player searches his card for the called number, and if he finds it, marks it. The constituent of skill in the game is the ability to search one's card for the called number in the small time before the next number is called.

The caller continues to select and proclaim numbers until the first player forms the agreed pattern (one line, two lines, and full house) on their card and shouts out the name of the pattern or bingo. One of the most general patterns, called full card, blackout and cover-all simply consists of marking all the information on the card. Other common Canadian and American patterns are single line, two lines, centre cross, L, Y, inner square (4 × 4), nomadic square (3 × 3), and roving kite (a 3 × 3 diamond). On Canadian and American cards lines can be made flat, vertically, or diagonally. Inner and roving squares and kites must be totally filled; roving squares and kites may be made wherever on the card.

The business of bingo
In the US, the game is first and foremost staged by churches or charity organizations. Their validity and stakes vary by state regulation. In some states, bingo halls are borrowed out to sponsoring organizations, and such halls often run games approximately every day. Church-run games, however, are usually weekly affairs held on the church premises. These games are typically played for modest stakes, although the final game of a session is often a coverall game that offers a larger jackpot prize for winning within a certain amount of numbers called; a progressive jackpot may add to per session until it is won.

Commercial bingo games in the US are chiefly offered by casinos (and then only in the state of Nevada), and by Native American bingo halls. In Nevada, bingo is typically offered only by casinos that cater to local gamblers, and not the well-known tourist resorts. They will generally offer several two-hour sessions daily, with comparatively modest stakes apart from for coverall jackpots. Station Casinos, a chain of locals-oriented casinos in Las Vegas, offers a particular game each session that ties all of its properties together with a huge progressive jackpot. Native American games are characteristically offered for only one or two sessions a day, and are frequently played for higher stakes than aid organization games in order to draw players from distant places. Some also offer a special progressive jackpot game that may tie jointly players from multiple bingo halls.

As well as bingo played "in house", the larger profitable operators play some games linked by telephone crossways several, perhaps dozens, of their clubs. This increases the prize money, but very much reduces the chance of winning due to the much better number of players.

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