Sweepstakes casinos work differently from real money gambling sites, and that difference is exactly why they're legal in most states where traditional online casinos aren't. Here's how the model works and which sites do it best.
Best Sweepstakes Casinos
Fliff
Social sportsbook: play free with Fliff Coins or for prizes with Fliff Cash.
Get up to $250 in Free Play!·
Claim Offer21+ | Gambling problem? Call 1-800-GAMBLER
Sleeper
Social fantasy app with chat-first leagues and quick Sleeper Picks over/unders.
100% deposit match up to $100!·
Claim Offer21+ | Gambling problem? Call 1-800-GAMBLER
No Purchase Necessary
Legal in Most States
Updated Weekly
Last Updated: 2026-10-28
PropBomb may earn a commission from partner links. 21+. Gambling problem? Call 1-800-GAMBLER.