Though a player only needs to be physically located in the state to play, the current signup process requires a verified Social Security Number, thus restricting games to US players only The three casinos of Delaware—Delaware Park, Dover Downs and Harrington Raceway—have opened up for real-money online gaming to US customers located within the state. Along with online poker, games including blackjack, roulette and slots are available marking the first time casino games have been legally spread online in a state-regulated market in the US.