They also must provide an alternate method of entry which they typically do via a mail-in bonus where you send the sweepstakes casino a letter requesting free sweeps coins, and they oblige. To remain legal, sweepstakes casinos must follow the no purchase necessary requirement, which basically means they can’t sell sweeps coins and have to give away lots of sweeps coins via bonuses. Then you can redeem your sweeps coins for cash or gift cards. You use this virtual currency to play casino-style games like slot games and blackjack. This is because sweepstakes sites use a different business model compared to online casinos, which is not considered casino gambling.Īt sweepstakes sites, you receive sweeps coins for free via bonuses or when you purchase gold coins. Sweepstakes casinos are legal in all US states except Washington and Idaho and accept 18-year-olds. If you are under 21, we recommend playing at online sweepstakes casinos. However, 18-year-olds located in New Hampshire and Wyoming can bet on sports online. Legal online casinos in the US do not accept 18-year-olds.