The amount returned to them was $27.5 million, the Pennsylvania Gaming Control Board said.
The gross revenue -- the amount of gamblers' losses -- was $2.4 million, after subtracting $934,001 in promotional free plays. Of that gross revenue, nearly $1.3 million went to the state and more than $1.1 million to the casino.
During a comparable week in 2014, April 14-20, slots players wagered $28.1 million. The amount returned to them was $25.1 million.