Ten-pin bowling may be won when one player is ahead by more frames than remain of the possible 12 frames. This variant reduces match length and scoring complexity for two-player matches. The maximum score in a game of ten-pin is 300, scored by making 12 strikes in a row. Before 1908, no one ever received an award for a game greater than 298. ABC used to award medals (gold, silver and bronze) for the three highest individual games rolled in the nation. The number of perfect games bowled during a season first became a problem for American Bowling Congress (ABC) officials in
Five-pin bowling no fingerholes, although the Canadian 5 Pin Bowlers Association (C5PBA) have approved balls with thumb holes made by one manufacturer (the E. Parrella Co., known as EPCO). At the end of the lane there are five pins arranged in a V. In size they are midway between duckpins and ten pins, and they have a heavy rubber band around their middles, similar to the pins used in the rarely seen "rubberband duckpin" form of duckpin bowling, to make them move farther when struck. Unlike any other form of bowling popular in North America, the pins in five-pin bowling are worth