To learn more, check out our list of NJ online casinos.Ĭurrently if you want to play at the best online slots casinos for US players legally, you must be physically located in one of four states, Michigan, New Jersey, Pennsylvania, or West Virginia. Leading the way was New Jersey, with the biggest gambling product selection in the US. Since the repeal of PASPA, certain US states have taken the opportunity to legalize online casinos. While PASPA was designed to ban online sports betting in the US, it affected the potential for online casinos, too. However, this began to change after The Professional and Amateur Sports Protection Act of 1992 (PASPA) was overturned. For a long time, playing online slots for real money was not legal in the US.