Once a day, LWOS offers a lottery. Players can buy tickets. Only one winner is possible. The winner will win the amount of the lottery. 2% is deducted from the winnings and returned to the game. The winning ticket is designated with the value of the nonce of the last Bitcoin block at the time of the draw. The lottery closes 1 minute before the draw. More information on Forum
Some extras can be add in the list of the prizes: ... For more information about extras, see the page Extra.