Social sportsbook based in King of Prussia, Pennsylvania. Players use Fliff Coins for free play and Fliff Cash, a sweepstakes currency that can be redeemed for prizes. It faces consumer lawsuits and arbitration claims, and Illinois sent it a cease-and-desist letter in February 2026.
Cease-and-desist letter for its sweepstakes casino. The Board said it believes the site run illegal online casinos in Illinois (720 ILCS 5/28-1(a)(12)) and must block Illinois users or stop offering prizes of value. Part of a batch of more than 60 letters sent with the Illinois Attorney General. source