Roller coaster is 9 and 5i line reel slot machine with the ability to double your winnings in the risk game. The "Hills" substitutes for any symbol in a winning combination. At loss of character "Hill" and "Wheel" at 1 and 5 reels start free spins the carousel effect

At loss of any winning combination you have the opportunity to double your prize to guess the color of the card dealer in the risk game