There are many rules in tungsten dart playing, this page is about tungsten dart legs rules.
Number of Players: Any number can play
Numbers of tungsten dart leg rules: All the numbers on the board are used, but players generally concentrate on the 19 or 20.
Tungsten dart leg rules: After determining the order of the play, the first player attempts to get the highest score possible and notes it on the scoreboard. The next player must exceed that score or "lose a leg". Each player starts with three legs and players lose a leg every time they fail to beat the score of the player immediately preceding them. The winner is the last player left with any legs.