In the United States, online casino options fall into two main buckets: sweepstakes casinos (legal in most states under promotion/sweepstakes law) and real-money online casinos (only in a handful of regulated states). The line between them isn’t always obvious, and the legal gray areas can affect where you can play and how you get paid.
This guide explains the difference, how each model works, and what to expect from US sweepstakes casinos versus state-licensed real-money sites. Nothing here is legal advice—always check your state laws and each operator’s terms.