PA online casinos (such as BetMGM) and specific poker sites (such as WSOP PA) both offer a wide variety of games with cash games and tournaments. Once dormant in the U.S., online poker has enjoyed a massive resurgence since the height of its craze in the early 2000’s. There are 19 legal online casinos sites in the state, in addition to four different mobile options for online poker. Pennsylvania is home to the second-largest online casino market in the country, behind only neighboring New Jersey. There’s a long list of online sportsbooks and apps available for PA sports bettors, so make sure to check out our top-rated options and reviews. The rich history of sports in Pennsylvania has fostered the growth and popularity of PA sports betting. Let’s take a quick look at the most popular forms of gambling in PA. Sports betting has grown more rapidly than any other industry, but both physical and online casinos provide so much more. Gamblers of all types enjoy a bevy of options within the Keystone State. What Kind of Gambling is Legal in Pennsylvania?