The Borgata Mystery Bonus Posted on by NJ NO Deposit Use Promotion Code: MAXBONUS How much bonus cash is in store for you? It’s a mystery – but it’s yours to uncover July 25 to July 27, only at BorgataCasino.com. #NowThatsAWin DATE JULY 25 – JULY 27HERE’S HOW IT WORKS: • Sign in to your BorgataCasino.com account between July 25 and July 27. • Go to the Promotions tab and opt in for the Mystery Cash Bonus promotion. • Click on the card to flip it over. Your mystery prize will be revealed. • We’ll automatically add your mystery cash bonus to your account balance. • Enjoy it right away on any slot, classic slot or progressive slot.