So, in terms of uniqueness and value, FanDuel is right up there with the best. That's not only a generous deal, but one of the best casino bonuses that few other best online casinos that payout in the US market offer. If you end the day with a net loss, the promo team will provide you with a refund in the form of site credit. However, for now, just know that the FanDuel Casino welcome bonus covers your first 24 hours of play. There are some important terms and conditions attached to this offer and we've explained them in the following sections. As it is with the operator's casino offer, you'll get up to $1,000 in site credits. That means you can play for a day and, if you end up with a net loss, FanDuel will refund you. You can start your FanDuel casino gaming experience with a $10 deposit bonus for which you'll get 50 bonus spins and the $1,000 Play it Up again bonus up to 24 hours. 50 Bonus Spins + $1,000 play it up again up to 24 hours