Illinois has nine casinos and a state lottery participation. In March of 2020, legal sports betting began in the state. The betting does not allow wagers on any Illinois collegiate teams, but you can bet online. So, in short – according to Illinois gambling laws 2020 it is legal to bet on sports (via Betrivers Illinois sportsbook app), play lotteries, play at casinos (not online though), bet on horse racing. Expected gambling sites in Illinois in the future: William Hill, PointsBet, Barstool, Draftkings, Fanduel, bet365, 888Sports, Unibet, Betfred, Betway, SBK, TheScore and other sportsbooks.