The marvelous Mount Olympus slot machine game has 25 pay lines, 3 rows and 5 reels. The developers added common to various online casino slot games free spins game, but filled it up with additional features. To play The Revenge of Medusa bonus game you need at least three Scatters with the game logo occurred on the reels. Before each spin Medusa Gorgon presents you five snakes and you must choose one of them. Medusa can turn to stone up to four random reels from second to five. The Wild symbol which is common to various free slot machine games with bonus spins is present in this game too. In ancient Greek mythology, Medusa was a fearsome snake-haired creature whose stare could turn a man to stone. Enhanced graphics and features, including the chance to win any of 3 progressive prizes at random, should ensure success at sites that carry the range of NextGen Gaming slots and software. It’s a 243 Ways to Win game , which pays out whenever3 or more of the same symbol stop in any places on adjacent reels from the left side, but there’s a few bonus rewards to be had along the way, including locked reels, stacked wilds and free spins.