Roadkill bingo of Loveland, CO sells a version of the game that uses reusable static cling squares to cover the animals, old tires and smells on the game board. Roadkill Bingo is a registered trade name owned by the Roadkill Bingo Company. As in regular bingo, the object of the game is to spot a sequence of five dead animals which are in the same row or column on the bingo card. At the instant that five in a row is achieved, that player is obligated to yell "bingo", loudly and clearly, and the player is said to have "got a bingo."
Bingo card culture. Larger patterns, e.g. a diamond pattern consisting of cell positions B3, I2 and I4, N1 and N5, G2 and G4, and O3, are often used by online Bingo games to permit large number of players while ensuring only one player can win. (A unique winner is further desirable for online play where network delays and other communication interference can unfairly affect multiple winning cards. The winner would be determined by the first person to click the "Bingo!" button (emulating the shout of "Bingo!" during a live game).) In this case the number of unique winning cards is calculated as