All About Bingo Cards and Patterns

In the game of online bingo, the bingo cards are the most important items. The cards differ according to the type of the game. At first all the cards were made by hand, but now with the use of computers and the RNG, it became easy to create thousands of unique cards in a couple of minutes.

In the US the bingo cards are a 5 x 5 grid with a free center square and numbers from 1 to 75. Each column is marked with a letter of the word B-I-N-G-O consequently.

In UK bingo is called the Housie. The cards in bingo are 3 x 9 grids. Each of the three rows contains 4 blank spaces and 5 spaces with numbers from 1 to 90. Each of the 9 columns contains numbers from a 10-digit range. E.g.: the 1st column contains numbers from 1 to 10, the second from 11 to 20 and so on.