Carom billiards
Over its history balkline has had many variations including 8.2, 10.2, 12.2, 13.2, 12½.2, 14.1, 14.2, 18.1, 18.2, 28.2, 38.2, 39.2, 42.2, 45.1, 45.2, 47.1, 47.2, 57.2 and 71.2 balkline. In its different forms, balkline was the main carom game played from 1883 to the 1930s. After that, other carom games became more popular. This is especially true of three-cushion billiards. Balkline is not very common in the U.S., but remains popular in Europe and the Far East.