Hot Hot Volcano slot machine has 5 reels and 25 paylines. Additional symbols include a dinosaur, macaw parrots, chimpanzees, oranges and poker run symbols. Play in a gamble feature card game and guess whether the next card will be either red or black to double previous spin wins or else guess the right suit to quadruple previous spin win. Take the win or keep testing your luck to increase the value of your prize. Guess incorrectly and all gambled wins and previous spin win will be lost. Winnings may be gambled up to 5x, jackpot wins may not be gambled.