The main ones are 501, you start on any number and get down to 0 finishing on a double. 301, same as 501 but it is double in, double out. There is also cricket, you go round the board 1,2,3,4 etc all the way to 20.
501, 301, 301 double in double out, and clock (1-20) in order. Other games are fives (played with a special board which only have the numbers 5,10,15, and 20. They must count down from 505. Also the...
Yes, the PDC use the Unicorn Eclipse Pro dart board, it has razor thin wires so it increases the size of doubles and trebles, but only marginally. The BDO use the Winmau Blade III, it has thicker...