comScore released an overview of the online gaming category among U.S. Internet users, which showed a significant increase in online video game usage is on the rise in part because Americans are seeking cheaper forms of entertainment. The category attracted 87 million U.S. visitors in May 2009, up 22 percent versus year ago. Yahoo! Games ranked #1 with 19.4 million visitors, followed by EA Online with 18 million visitors, Nickelodeon Casual Games with 14.8 million visitors, and WildTangent Network with 13.8 million (up 16 percent). Big Fish, MSN Games and RealNetworks' RealArcade were represented in the top 20 sites as well.