kdslots777777 On Slot Review. Spinning some vitality into a classic, RTG brings us the 777 slot machine. It’s a familiar 1 pay, 3 reel game with a little more gamble than your average video slot.Minimum and Maximum Bet. The Gold 777 slot game caters to a variety of players by offering a wide betting range. The minimum bet starts at $0.50, making it accessible for players with