Thunderstruck II is a newer Microgaming Video Slot that has five reels and 243 pay lines that uses a wild, scatter, multiplier, wild storms, and a five tier free spins. 2430 coins is the top jackpot on offer. The theme is the legends of Thor and this is reflected in the characters and symbols. This is actually a sequel to Thor. Play with coin values of thirty cents to $15 per spin with a ten coin maximum. The symbols used include Valkyrie, Loki, Odin, Raven and Thor along with their powers and weapons and MjÃ¶lnir, long ships, the rainbow road and 9, 10, Jack, Queen, King and Ace. The Thunderstruck II logo is wild and will substitute for all other symbols except the scatter. The scatter is the hammer or formally known as the MjÃ¶lnir. Win using this symbol and receive a 2x multiplier. There is a Wild Storm symbol offered at random. Three or more Hammer icons and you are off to the Great Hall of Spins bonus round. The Great Hall of Spins bonus round sees prizes increase the more times you return to it. Your multipliers and number of spins will increase. The first four visits offer you ten free spins with a 5x multiplier, then it goes up to 15 free spins with a magic wild, then 20 free spins with a 6x multiplier, and after 15 visits to the Great Hall win 25 free spins with a 5x multiplier.