Yes! This DraftKings casino bonus is available for all registered users who are residents of Pennsylvania. Please be aware that both you and your friend must be located within the state for the refer-a-friend scheme to apply, however. Aside from the refer-a-friend scheme, PA customers can also play casino games and try to win epic cash prizes on the DraftKinds leaderboards. These are regular and the prize pots can be as large as $100,000.