Deposit Today at Superior Casino and Tomorrow Saturday May 23rd, you will receive a 20% CASHBACK!! The cashback is based on your NET losses for Friday. It's a guarantee bonus, so if you lose today, you get a second chance to win tomorrow. You are welcome to use any promotion available at the casheir or none at all. Good luck and make the best out of this Friday! The cashback will not be awarded if your balance by Saturday is equal or higher to your starting balance for Friday 22nd at 00:01 EST.