Launch by choosing your dart. Focus at the numbered sections on the dartboard, starting from 1. Fling your dart by clicking and pressing down to power up your throw, then let go to fire the dart. Advance sequentially from 1 to 16, hitting each number in order. Complete your round by hitting the bullseye. Challenge against other players to be the first to complete the sequence. Fail to hit the correct number, and you'll have to repeat on your next turn. Perfect your accuracy to succeed.